Probably been posted before, but as I have just started playing IWD2 again, and haven't been playing BG2 for ages, I haven't been interested in such mods for a while, and have just discovered it.
BG2 content with IWD2 engine [img]smile.gif[/img] (I really like BG2, but ever since 3rd ed rules were released I've never really felt like playing it... mostly due to the limited class selection of them hobbits)
http://weidu.org/iwg2/index.html ... hope it gets finished some day.