Recently purchased asus gtx 570 and was having huge fps drops in World of warcarft (as low as 1fps). I finally found the problem after much headache, its the disk that comes with the card that has the driver on it, it also installs software program asus Gamer OSD. remove this program!! I actually suggest you avoid the disk all together and download driver off Nvidia website. I have had no problems since uninstalling this program.