alright i have vista and ive finally had enough.. i want to reformat so i have xp.. now i have the old startup disk from my old lap top and i want to keep all my music files and videos and things like that.. my laptop has seperate hard drives so i think i can put my files on the seperate hard drive if im not mistaken.. so how do i go about deleting vista and formatting xp.. its been awhile since i last reformatted a computer.. anyone know how to do this.. thanks
Current Setup

Schecter Blackjack C7
Epiphone Les Paul Custom w/ EMG 81/85
Peavey 5150II Head
Peavey 6505 Cab w/ two Eminence Texas Heat
Epi PR5-e
Hot Rod Deluxe