I want to upgrade my mother board so I can later upgrade to a better processor and agp slot. I only have PCI right now and a 2.66ghz Celeron D processor. (Which isn't so bad) But, for me to get a new mobo, can i just replace my old mobo with my new one??? what do i need to do when i get it. Also, when i install my new mobo, I can still use the same hard drive too right?