Ya, I don't think he's using 57xx by 1080p, but I know Semp is using a similar card on 3 screens if I'm not mistaken. You can just get away with a 6970 with 3 screen, but not by much IMO. Even SLI'd 680's and 780's will see drops in busy times in some of the newer games, and some, like lame TCA's lie, and don't even use SLI at all, which they got busted for recently, claiming SLI in all their early media for Rome 2, but when people checked, one card is pretty much idle all the time.
I know Skuzzy's made comments about the SLI profile for AH2, and I agree with them from my own observations - I would recommend anyone to buy ONE really fast card over 2 slower ones in SLI for Aces High, the Titan, a 780GTX overclocked to near Titan performance, or 7990. I've tried all the above in my 3930k system, as well as 680GTX 4gb sli'd, and that's just my observations and opinion based on what I've seen FPS wise. I think a single 780GTX is the best bang for the buck to come around for a while, since it's so easy to push it up to Titan levels for about 3 or 400$ less in cost. I'm happy with mine, that's for sure.
I found the same Asus screen locally that Rich mentioned, and for around the same price, 560$, and I'm now torn between that or the Korean one for 320$ delivered. I'm just worried about dead pixel and blackout issues and have no return possible, since they rarely if ever issue RMA's to send it back overseas apparently....I think the extra 230$ is probably worth it, plus I"ve had really good luck with all Asus products, especially LCD's recently, my last 4 have been Asus, and not a single dead pixel or any problems at all.