I've always liked the feeling of immensity the BG series gave me. Turnabout brought us more epilogue screens which made me very nostalgic,especially the ones that mentioned the places I visited in the first game - and I realized that I sorely missed the wide roaming of BG in BGII - the thrill of visiting a place without knowing what would be there. Many of of the areas in BG were unnamed, and were only accessible by traveling in the correct direction from an adjacent area.
That was adventuring - looking for trouble and thrills in the bush - not like the overall quest-driven trotting-about in BGII, where I very much felt pulled along on a string.
You guys (speaking of all modders here) have expanded BGII very much, as well as bringing BG up to BGII's standards - graphics/engine, banter, NPC's, romance, ect. These were places where BG was lacking. Now I feel it would be fitting to bring BGII up to BG's standards, in the places where BGII is lacking. Bring the adventure back
EDIT: I see that it has been discussed before, other places, but my suggestion still stands