I have a 400mhz FSB Northwood 2.8ghz, i've been looking for an upgrade sometime soon, but the $200+ 800mhz processors are almost out of my price range, i'm a student and i'm trying to keep it $150 and under... While looking at the CPU price guide, I noticed they make Celeron D's in the socket 478 variety.. Would buying one of these increase my performance over my current processor? I'm mostly looking for an increase in game performance, I have a Geforce 6600gt, and 1gb of nice 2-3-3-7 ram, but most of the apps I use and games I play seem to be limited by my processor, and not anything else, would the extra core help at all?