what do you thank will be faster--- i beleive the Amd 6990 will be and heres some reasons why i thank this. for one the 6970 only 15% slower then the gtx 590 www.techpowerup.com/reviews/HIS/Radeon_HD_6970/29.html.6970 uses 190 watts and the 580 uses 244. pci-e standards say you can only have 300 watt cards so this gives amd 110 watts to play with and nvidia 56 watts. also cf performance has been improved and the 6850 beats 460 sli..... anyways this is what i thank what do you guys thank