[Sirfin]

Nephtu pointed this one out originally:

http://japh.fwstudios.net/bg1tutu/BG1Tutu_Readme.htm

http://www.infinitynetwork.net/bg1tutu/bg1tutu_v4.exe

Well worth the 700k download, just point and click. Brilliant mod that lets you play BG1 using the BG2 engine. You can start from the begining (BG1)and play right through ToB. :-)