I don't comment on articles by Hardware Heaven, SemiAccurate, or AMDZone- because the bias always has been, and always will be there.
I'm talking about the 3gb GTX580s by Gainward and Palit, not the 1.5GB ones. If you think a pair of 6970s will out perform them, well, sucks to be you I guess.
You're basically comparing a Hyundai to a BMW, and yelling "He might want to save money!".