Hi all! Because of my msdn subscription, I have Vista x64 RTM (any version, but I am using ultimate right now) I want to have my userprofile on my f:\ drive and my programfiles on my p:\ drive I am willing to test out an XML file, but there's 1 caveat. I only have 1 dvd disc left. I would prefer to NOT have to buy more. Here's how I want it laid out: vista gets installed on disk0, partition 2 (where 1 is the first partition) (I want to keep my xp 64 bit on partition 1 for now) user profiles gets installed on disk0, partition 3 program files gets installed on disk1, partition 3 It is absolutely important that the other partitions do NOT get messed with. wng edit: here is an image of my drive system: