I'd advise starting with BG2 and then playing BG1. BG2 is a lot more forgiving than BG1 (and imho just all around a better game) and if you enjoy the second you can always go back to the first game, but you'll be *much* better prepared. (I played 2 before 1 and I don't feel as if I've majorly missed out by doing so)
Just started BG2 yesterday, and you're right: I like it much better. Acting is better, dialogue is better, combat is less frustrating, and the story so far seems more interesting. There are still a few things that irk me, like the crappy pathfinding, but overall I'm enjoying this a whole lot more than the first game. Perhaps I'll go back and play BG1 later.
