Up to the 6th of September you can grab a free copy of the Linux 'Linspire' distro..
I believe that's the one they first called 'Lindows' and looks just like XP.
if you can get into the servers that is..
http://info.linspire.com/freespire/index.html
normally fifty dollars to download. If anyone has any luck grabbing a copy please let me know. It looks like one of those 3am alarm call jobs, to get a server slot.