XP on Xen??

[Andy Burns]

David Cary Hart wrote:

> he was able to create multiple virtual
> machines that ran not only Linux but also Windows."

First question, have you got a VT capable processor?
http://www.intel.com/technology/computing/vptech/

You'll probably know if you have as at the moment you have to pay 
through the nose to get one. If not you could use QEMU with it's kernel 
virtualisation module ...