Yeah...but do you have a nitro injector in your rig?
My Core 2 Duo based box with SLI has no problems running this game at max. Like you, I also run 7900GTXs. I've got 4 gigs of RAM however and 4 300GB SATA drives setup in a RAID 0 config.
Your processor has to support SSE2 to play this demo.
Carl Sagan wrote:
Who are we? We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people.