Everyone who hasn't played above games should do so IMMEDIATELY. Those are the greatest pieces of software ever coded!
I played BG&BG2 with the BGTrilogy mod (it combines both games without adding all this bonus stuff - I kinda like the original feel). If I find the time - and I will - I'll install the "weidu tactis mod" (http://www.weidu.org/tactics.html
) and beat BG for the 12324th time, this time with even more insane challenge
You should also add Icewind Dale i & II to that list, though I don't know of any mods.