So I'm building a new computer come this spring with Vista 64 and I need to know which set of memory will be better suited to what I want to do (mainly gaming along the lines of wow, css, etc, mostly older games). I will be using a e8400 cd2 and a 4850 512. My question is would 4gigs of 1066 be more beneficial than 8 gigs of 800? I will not be overclocking the ram but may oc the cpu once I get a better cooler. Thanks for the input!