I'm buying an Asus x1950 pro 256 this saturday. It comes with stalker, so here we go... I'll tell you about MY stutter. (ahah) Also on an E6550 (to be overclock @ at least 25%+), MSI P35 Platinum and Team Elite 2x1024 DDR2@800... HDD sata2 16Mb... Not top notch, but very good for a 17' screen.