Re: next gen kepler to support dx 11.1, also take a year to rollout all cards
They need to stack, at minimum, 2.5GB on the card. 2GB just isn't enough for a card you want to keep a few years. Skyrim with mods and BF3 already push close to that. And if you game on multiple monitors you're in trouble.
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