After installing my other 6970 last week, I started to experience BSOD's in games but only after the computer would wake up from sleep/hibernation. I only saw it in BF3 for the first week, but it happened in WoW the other day as well. After the computer restarts I can play the game for hours with absolutely no issues what-so-ever.
I meant to grab the code from the one after I got home from work today but I clicked right on through it. Next time it happens I'll update my post with it. I believe it was a "124".
Wasn't sure if anyone had heard of/seen this issue before, but I thought I'd take a stab here @ Tom's as the people here seem to know what they're talking about by-and-large.