I personally dont understand alot of the Crysis results on the web. In my experience. And my GTX 280/260 SLIPreview
the 9800GX2 ran out of memory at post 1600x1200 with AA enabled which severely hampered its performance in Crysis. I wonder if some time demos dont tell the whole story or what their timedemos are actually doing. At very high you cant even turn on AA at 1920x1080 with the 9800GX2 without it dropping to 3 FPS.