I am wanting to upgrade the cpu on my MB. the computer is a emachine el1200-07w. It's not a bad little pc in my eyes BUT, I would like to go to a 2.?, and it still plays nice with the P.S. Also I'm going to go up to the 4gig max on memory as well. Can someone help. I contacted emachine techie and they "suggest" I don't change any hardware. The thing is long past warranty, so I don't really think it matters too much. I have changed out thye 160 gig HD and put in a 750 gig sata / no problems up-to-date.... Thank you all ahead of time for your responses....