I set AA and AF to 4X in catalyst control centre and after a few saves it always reverts back to 2X AA and 2X AF . I have tried diffrent drivers , ati tray tools , diffrent settings , environment effects on and off etc etc etc etc etc etc etc etc ATi X800 pro graphics card , 2.4 pentium /400meg FSB , 1 gig of ram , i am on the edge of giving up until i get a new computer .