For reasons which I don't want to get into here, I need to downgrade the copy of Windows 7 on my BootCamp partition to XP. I have the disks for both. I don't have any problem just zapping the BootCamp partition and starting fresh. My question is, what is the best/fastest way to go about this? I'm not sure how it's best to get rid of a BootCamp installation. What's the best way to delete Windows 7 and get things started to install with XP?