Yeah, go for BFG, everyone I know tells me they rock. I'm going to get one, providing NewEgg is actually carrying them at that point. I've heard bad things about PNY, never heard of XFX though. PNY is a pretty common brand though so maybe it might be good to take a look at it. But BFG is OC'd out of the box, plus it has a lifetime warranty, what do you have to lose?
-fs