Originally Posted by Viral
Just keep in mind the 80% comes from triple monitor resolutions, where the 580 is on the upper edge of its memory. Still obviously valid, but if eyefinity isn't your thing, don't go expecting 80-90% over a 580 in reviews. 60% is damn good enough for me though!
I agree too, but if running on a single monitor i wouldn't think there's any need to upgrade period, as current high end hardware from both brands is more than fast enough to drive just a single display, unless you go for crazy levels of AA on the latest games and/or use 3D glasses and 120 Hz monitors, wich will require the card to kick out FPS values always above 120 Fps for best experience(60 per eye).
I have 3 displays too, and play a lot of BF3 so 3 HD7970's?....Oh hell yeah..