this is getting highly frustrating, I first used a 'copy' of XP SP2, tried all the drivers, boot camp, nvidia, omega and the beta from guru3d and making sure each install is clean. And i've yet to see one frame of gameplay from demos of Crysis, The Club and Kayne & Lynch. Crysis would hard crash just before you parachute out, and the sound would divert to the internal speaker and just keep stuttering. When using the 2600XT everything is fine, so its definately the card/drivers. Then i went out and brought a copy of Vista 64-bit (not as bad as i thought it would be btw), and now i can't even get past the opening text of the crysis demo without experiencing a serious crash. I'm so glad i didn't custom build my mac pro with the 8800GT, i would have had to wait all that time just to find its pretty much useless for games, and it seems the 2600XT actually performs better with Final Cut Studio... apart from having an extra graphics card i'm finding it hard to see why i should keep this card, it seems like a complete waste of time, unless some better drivers come out at some point. From what i've read on the net it seems i'm not the only one experiencing this, most are lucky to experience gameplay only to experience a crash after a few minutes. Has anyone been able to play games successfully with the 8800GT and if so what did you do?