Re: So why should I buy a GTX280 again?
SLI'd 280s should perform well with Crysis and also Warhead. Crysis really needs multi-GPU to play decent at the highest settings, I've found.
i7-2700k @ 5.0 GHz
Nvidia GeForce 570 2.5GB Tri-SLI
Asus P67 WS Revolution (Tri-SLI)
OCZ Vertex SSD x 4 (Raid 5)
G.Skill 8GB DDR3 @ 1600MHz
PC Power & Cooling 950W PSU