Hello everyone i was originally going to get a ati 5870 as there now £235 but with the ati 6870 being cheaper and of a similar performance it put me off so now im thinking of getting a gtx 480 at £330,here are my specs,i7 920,gigabyte ud3r-x58,650w psu,6gig ram,samsung f3 in raid0 and a ati 5770...