: : can't you just partition your hard drive? : : it turns out you can, : : http://lifehacker.com/software/top/windows-vista-beta--how-to-dualboot-wind : ows-xp-and-windows-vista-179906.php : tells how.. and http://www.tomcoyote.org/tech/vista-upgrade-invalidates-your-xp-key/74/ tells you it is still illegal and in breach of the EULA and given the OS ELUA informs you that the OS will regularly report back to Microsoft with info about your machine, having an illegal copy of XP/2K/98/whatever may become an issue :( a 'workaround' is however presented on the page link above.. k