I currently have a evga 630i mobo and a core 2 duo 2.33ghz. I want to upgrade, Is it worth going to a quad core? or should I just go with an E8600 3.33ghz and new mobo? I was thingking of an EVGA 750i. As for video cards I was gonna pick up an 8800 ultra sometime down the road. Is quad core worth it right now? do any games even utilize all four? thanks for the help