I have got a mod (G3 Tweaks or Fixes - one or the other) which alters the spell progression tables for a few classes, I don't remember if I installed it for sorcerers though... anyway here is my weidu.log:
// Log of Currently Installed WeiDU Mods
// The top of the file is the 'oldest' mod
// ~TP2_File~ #language_number #component_number // [Subcomponent Name -> ] Component Name
~BG2FIXPACK/SETUP-BG2FIXPACK.TP2~ #0 #0 // BG2 Fixpack - Core Fixes
~BG2FIXPACK/SETUP-BG2FIXPACK.TP2~ #0 #1 // BG2 Fixpack - Game Text Update
~BG2FIXPACK/SETUP-BG2FIXPACK.TP2~ #0 #2 // Super Happy Fun Lucky Modder Pack
~BG2FIXPACK/SETUP-BG2FIXPACK.TP2~ #0 #100 // Party Gets XP for Sending Keldorn to Reconcile With Maria
~BG2FIXPACK/SETUP-BG2FIXPACK.TP2~ #0 #101 // Improved Spell Animations
~BG2FIXPACK/SETUP-BG2FIXPACK.TP2~ #0 #102 // Cromwell's Forging Actually Takes a Day
~BG2FIXPACK/SETUP-BG2FIXPACK.TP2~ #0 #103 // Mixed-Use Dagger Fixes
~BG2FIXPACK/SETUP-BG2FIXPACK.TP2~ #0 #104 // Ghreyfain's Holy Symbol Fixes
~BG2FIXPACK/SETUP-BG2FIXPACK.TP2~ #0 #106 // Giants Receive Penalties When Attacking Halflings, Dwarves, and Gnomes
~BG2FIXPACK/SETUP-BG2FIXPACK.TP2~ #0 #110 // Additional Script Fixes
~BG2FIXPACK/SETUP-BG2FIXPACK.TP2~ #0 #111 // Bard Song Fixes
~BG2FIXPACK/SETUP-BG2FIXPACK.TP2~ #0 #112 // Wizard Slayers Cause Miscast Magic on Ranged Attacks
~BG2FIXPACK/SETUP-BG2FIXPACK.TP2~ #0 #114 // Change Free Action to Protect Against Stun
~SETUP-UB.TP2~ #0 #0 // The Kidnapping of Boo by Cliffette
~SETUP-UB.TP2~ #0 #1 // The Suna Seni/Valygar Relationship
~SETUP-UB.TP2~ #0 #2 // Kalah and What He Was Promised
~SETUP-UB.TP2~ #0 #3 // "Cat and Mouse" (Bodhi hunts you in Spellhold) by Ghreyfain
~SETUP-UB.TP2~ #0 #5 // The Pai'Na/Spider's Bane Quest
~SETUP-UB.TP2~ #0 #6 // Restored Crooked Crane Inn
~SETUP-UB.TP2~ #0 #7 // Restored Encounters
~SETUP-UB.TP2~ #0 #8 // Artemis Entreri in Bodhi's Lair
~SETUP-UB.TP2~ #0 #9 // Corrected "Xzar's Creations"
~SETUP-UB.TP2~ #0 #11 // Gorf the Squisher Fix, by Gebhard Blucher
~SETUP-UB.TP2~ #0 #12 // Item Restorations
~SETUP-UB.TP2~ #0 #15 // NPC Portrait Restorations
~SETUP-UB.TP2~ #0 #17 // Corrected Character Names and Biographies
~SETUP-UB.TP2~ #0 #18 // Restored Minor Dialogs
~SETUP-UB.TP2~ #0 #20 // Extended ToB Item Descriptions
~SETUP-UB.TP2~ #0 #21 // Throne of Bhaal Minor Restorations
~SETUP-UB.TP2~ #0 #22 // Justifier Kit
~SETUP-UB.TP2~ #0 #23 // Feralan Kit
~SETUP-UB.TP2~ #0 #24 // Sarevok's Remorse
~SETUP-ASCENSION.TP2~ #0 #0 // Ascension v1.41 (requires ToB)
~SETUP-ASCENSION.TP2~ #0 #3 // Tougher Gromnir (optional, requires ToB)
~SETUP-ASCENSION.TP2~ #0 #4 // Tougher Illasera (optional, requires ToB)
~SETUP-TURNABOUT.TP2~ #0 #0 // Ascension: Turnabout
~SETUP-TURNABOUT.TP2~ #0 #1 // Balthazar Epilogue Portrait, by Cliffette
~KELSEY.TP2~ #0 #0 // Kelsey v2.1: for BG2 - SoA
~KELSEY.TP2~ #0 #3 // Install Banter Accelerator script? (Increases the frequency of interparty banter both from Kelsey and other NPCs)
~KELSEY.TP2~ #0 #2 // Install Alternate Kelsey portrait set #1 by Karse Soze (regular Kelsey)?
~SETUP-KELSEYTOB.TP2~ #0 #0 // Kelsey: ToB - Version 2
~SETUP-KELSEYTOB.TP2~ #0 #2 // Ascension-specific dialogue (Requires WeiDU Ascension, v1.4.12 or greater recommended)
~SETUP-KELSEYTOB.TP2~ #0 #4 // Alternate Kelsey portrait set #1 by Karse Soze (regular Kelsey) (set 2 of 3)?
~SETUP-KETO.TP2~ #0 #0 // Keto-SOA NPC V2
~SETUP-KETO.TP2~ #0 #1 // Keto/Kelsey Interaction (Requires Kelsey-SOA)
~SETUP-BANTERPACK.TP2~ #0 #0 // Pocket Plane Banter Pack for BG2: Shadows of Amn
~SETUP-BANTERPACK.TP2~ #0 #2 // Pocket Plane Banter Pack for BG2: Throne of Bhaal
~SETUP-BANTERPACK.TP2~ #0 #3 // Install TOB Banter Accelerator script? (Increases the frequency of interparty banter)
~SETUP-D0QUESTPACK.TP2~ #0 #0 // General AI Improvements
~SETUP-D0QUESTPACK.TP2~ #0 #3 // Creature & Area Improvements -> Boss Improvements Only
~SETUP-D0QUESTPACK.TP2~ #0 #5 // Extended Reynald Sequence
~SETUP-D0QUESTPACK.TP2~ #0 #6 // Intrigue In The Copper Coronet
~SETUP-D0QUESTPACK.TP2~ #0 #7 // Rahul Kanakia's Potion Quest
~SETUP-D0QUESTPACK.TP2~ #0 #8 // Revised Hell Trials
~SETUP-D0QUESTPACK.TP2~ #0 #9 // Improved Oasis II -> IO2 Dialogue & Combat Enhancement
~SETUP-D0QUESTPACK.TP2~ #0 #11 // Saving Sanik In Brynnlaw
~SETUP-D0QUESTPACK.TP2~ #0 #12 // Burglary Of The Bookkeeper
~SETUP-D0QUESTPACK.TP2~ #0 #14 // The Tragedy Of Besamen
~SETUP-D0QUESTPACK.TP2~ #0 #15 // Further Slaver Involvement
~SETUP-D0QUESTPACK.TP2~ #0 #16 // Sending The Solamnic Knights Home
~SETUP-D0QUESTPACK.TP2~ #0 #17 // Nazariel The Lich
~SETUP-D0QUESTPACK.TP2~ #0 #18 // Reward Negotiation
~SETUP-D0QUESTPACK.TP2~ #0 #19 // Infernal Thievery
~SETUP-D0QUESTPACK.TP2~ #0 #2 // Creature & Area Improvements -> All Creature Improvements
~SETUP-OVERSIGHT.TP2~ #0 #2 // Class Tweaks/Fixes
~SETUP-OVERSIGHT.TP2~ #0 #3 // Altered Spells
~SETUP-OVERSIGHT.TP2~ #0 #5 // Cleric Kits
~SETUP-OVERSIGHT.TP2~ #0 #6 // Monk High Level Abilities
~SETUP-OVERSIGHT.TP2~ #0 #7 // Holy Liberator
~SETUP-ITEMUPGRADE.TP2~ #0 #0 // Shadows Of Amn Item Upgrades
~SETUP-ITEMUPGRADE.TP2~ #0 #1 // Throne Of Bhaal Item Upgrades
~SETUP-VALEN.TP2~ #0 #0 // Valen
~SETUP-DUNGEONBEGONE.TP2~ #0 #0 // Dungeon Be Gone V1.4
~RR/SETUP-RR.TP2~ #0 #0 // Proper dual-wielding implementation for Thieves and Bards
~RR/SETUP-RR.TP2~ #0 #1 // Thief kit revisions
~RR/SETUP-RR.TP2~ #0 #2 // Bard kit revisions
~RR/SETUP-RR.TP2~ #0 #3 // Bard High Level Ability revisions
~RR/SETUP-RR.TP2~ #0 #4 // Additional equipment for Thieves and Bards
~RR/SETUP-RR.TP2~ #0 #5 // Revised fences
~RR/SETUP-RR.TP2~ #0 #6 // Chosen of Cyric encounter
~SETUP-NPCFLIRT.TP2~ #0 #0 // Aerie Flirt Pack For SOA
~SETUP-NPCFLIRT.TP2~ #0 #2 // Aerie Flirt Pack For TOB
~SETUP-NPCFLIRT.TP2~ #0 #4 // Jaheira Flirt Pack for SOA
~SETUP-NPCFLIRT.TP2~ #0 #6 // Jaheira Flirt Pack for TOB
~SETUP-NPCFLIRT.TP2~ #0 #8 // Viconia Flirt Pack for SOA
~SETUP-NPCFLIRT.TP2~ #0 #10 // Viconia Flirt Pack for TOB
~SETUP-NPCFLIRT.TP2~ #0 #12 // Anomen Flirt Pack for SOA
~SETUP-NPCFLIRT.TP2~ #0 #14 // Anomen Flirt Pack for TOB
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #10 // Remove Helmet Animations
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #60 // Weapon Animation Tweaks
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #110 // Icon Improvements
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #1010 // More Interjections
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #1020 // Alter HP Triggers for NPC Wounded Dialogues
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #1040 // Improved Athkatlan City Guard
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #1150 // Shapeshifter Rebalancing
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #1170 // Bonus Merchants (Baldurdash)
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #1180 // Female Edwina
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #2060 // Weapon Styles for All
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #2090 // Change Experience Point Cap -> Remove Experience Cap
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #2140 // Expanded Dual-Class Options
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #2151 // Wear Multiple Protection Items -> No Restrictions
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #2170 // Cast Spells from Scrolls (and Other Items) at Character Level
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #2192 // Limit Ability of Storekeepers to Identify Items -> Hybrid of Both Methods
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #2200 // Multi-Class Grand Mastery (Weimer)
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #2210 // True Grand Mastery (Baldurdash)
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #2241 // Un-Nerfed THAC0 Table -> Capped, Best THAC0 is -10 (PnP/BG1 Table)
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #2250 // Un-Nerfed Sorcerer Spell Progression Table
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #2260 // Alter Mage Spell Progression Table -> Un-Nerfed Table (Blucher)
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #2280 // Alter Cleric Spell Progression Table -> Un-Nerfed Table (Blucher)
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #2290 // Alter Druid Spell and Level Progression Tables -> No Level Progression Changes, Un-Nerfed Druid Spell Table Only (Blucher)
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #3001 // Higher HP on Level Up -> NWN Style
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #3012 // Maximum HP for NPCs (the bigg) -> For Party-Joinable NPCs Only
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #3070 // Change Effect of Reputation on Store Prices -> Low Reputation Store Discount (Sabre)
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #3125 // Neutral Characters Make Happy Comments at Mid-Range Reputation
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #3150 // Turn Off The Hideous Cloak-of-Mirroring and Spell-Trap Animation
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #3160 // Keep Drizzt's Loot, Disable Malchor Harpell
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #4020 // ToB-Style NPCs
// Recently Uninstalled: ~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #4050 // Change Jaheira to Neutral Good
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #1010 // More Interjections
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #1020 // Alter HP Triggers for NPC Wounded Dialogues
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #1040 // Improved Athkatlan City Guard
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #1150 // Shapeshifter Rebalancing
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #1170 // Bonus Merchants (Baldurdash)
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #1180 // Female Edwina
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #2060 // Weapon Styles for All
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #2090 // Change Experience Point Cap -> Remove Experience Cap
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #2140 // Expanded Dual-Class Options
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #2151 // Wear Multiple Protection Items -> No Restrictions
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #2170 // Cast Spells from Scrolls (and Other Items) at Character Level
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #2192 // Limit Ability of Storekeepers to Identify Items -> Hybrid of Both Methods
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #2200 // Multi-Class Grand Mastery (Weimer)
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #2210 // True Grand Mastery (Baldurdash)
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #2241 // Un-Nerfed THAC0 Table -> Capped, Best THAC0 is -10 (PnP/BG1 Table)
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #2250 // Un-Nerfed Sorcerer Spell Progression Table
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #2260 // Alter Mage Spell Progression Table -> Un-Nerfed Table (Blucher)
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #2280 // Alter Cleric Spell Progression Table -> Un-Nerfed Table (Blucher)
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #2290 // Alter Druid Spell and Level Progression Tables -> No Level Progression Changes, Un-Nerfed Druid Spell Table Only (Blucher)
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #3001 // Higher HP on Level Up -> NWN Style
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #3012 // Maximum HP for NPCs (the bigg) -> For Party-Joinable NPCs Only
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #3070 // Change Effect of Reputation on Store Prices -> Low Reputation Store Discount (Sabre)
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #3125 // Neutral Characters Make Happy Comments at Mid-Range Reputation
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #3150 // Turn Off The Hideous Cloak-of-Mirroring and Spell-Trap Animation
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #3160 // Keep Drizzt's Loot, Disable Malchor Harpell
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #4020 // ToB-Style NPCs
~BG2_TWEAKS/SETUP-BG2_TWEAKS.TP2~ #0 #4050 // Change Jaheira to Neutral Good
~RE/SETUP-RE.TP2~ #0 #0 // Aerie, Anomen, Jaheira and Viconia React to Romantic Encounters
~RE/SETUP-RE.TP2~ #0 #2 // Aimi's Magic, by berelinde (adult content)
~RE/SETUP-RE.TP2~ #0 #3 // Anishai's Deft Hands, by cmorgan
~RE/SETUP-RE.TP2~ #0 #4 // An Evening with Aran, by Kulyok
~RE/SETUP-RE.TP2~ #0 #5 // Bjornin's Desire, by jastey (adult content)
~RE/SETUP-RE.TP2~ #0 #6 // Bodhi's Allure, by Kulyok (adult content)
~RE/SETUP-RE.TP2~ #0 #7 // Trademeet with Guildmistress Busya, by magrat
~RE/SETUP-RE.TP2~ #0 #9 // Chanelle's Gifts, by cmorgan (adult content)
~RE/SETUP-RE.TP2~ #0 #11 // Cyric's Test, by Kulyok
~RE/SETUP-RE.TP2~ #0 #12 // A Tryst with a Pirate Lord, by Kulyok (Desharik, adult content)
~RE/SETUP-RE.TP2~ #0 #15 // Eldoth' Exploits, by Kulyok
~RE/SETUP-RE.TP2~ #0 #20 // Enter Haer'Dalis, by Kulyok
~RE/SETUP-RE.TP2~ #0 #23 // Jarlaxle's Fascinations, by Catseye
~RE/SETUP-RE.TP2~ #0 #24 // A Night with Lais in Imnesvale, by Kulyok
~RE/SETUP-RE.TP2~ #0 #25 // Laran's Promise, by berelinde (adult content)
~RE/SETUP-RE.TP2~ #0 #26 // The Love Song of Logan, Lord Coprith, by Ajnos
~RE/SETUP-RE.TP2~ #0 #30 // Rebecca the Gypsy, by Kulyok
~RE/SETUP-RE.TP2~ #0 #31 // Renal Bloodscalp: A Dangerous Affair, by cmorgan (adult content)
~RE/SETUP-RE.TP2~ #0 #34 // Saemon, a Pirate, by Kulyok (adult content)
~RE/SETUP-RE.TP2~ #0 #35 // Dreaming of Sendai, by Kulyok
~RE/SETUP-RE.TP2~ #0 #36 // Sheri the Bardess, by cmorgan (adult content)
~RE/SETUP-RE.TP2~ #0 #37 // Solaufein in the Lust Chambers, by jastey
~RE/SETUP-RE.TP2~ #0 #38 // Phaere's Reward, by berelinde (Talak, pleasure slave, adult content)
~RE/SETUP-RE.TP2~ #0 #40 // A fling with Yoshimo, by Kulyok
~SETUP-VIRTUE.TP2~ #0 #0 // Virtue