4000+ man, for gaming. I think we need a sticky on this or something. A Dual Core will only make your PC CAPABLE of more, it won't improve its performance. Games are single-threaded and will remain like that for a while now, maybe even for a year. So having a Dual Core doesn't help you in games. To get a Dual Core that would perform like a 4000+ in games, you'd need to buy the X2 4800+, which is like $999 or something. So just stick with he 4000+. Also, try overclocking the Dual Core to like 2.8Ghz or 3.0Ghz. Not even in your dreams, unless you have a vaporcooling kit.