i have ordered a new cpu and mobo for my comp. my previous mobo was asusp4p 800 se and pentium 4 3.2. i am getting a MSI K8N neo2 Platinum and a AMD 3700+ sandiago. The stuff comes tomorow but i'm not sure about the instalation. pls help. should i format my hard drive and do a fresh install of windows or can i just remove my old asus software plug all my new stuff in and it will work. pls help as the stuff comes tomoz.