Recently installed the latest alpha of Karmic and thought I'd give it a shot with VirtualBox and Windows XP. The most important thing to do right now is realise the there are two version of VirtualBox: virtualbox-ose (open source edition) - no USB supportvirtualbox-puel - the one with USB supportThe OSE edition is in the repositaries: sudo-s apt-get install virtualbox-oseThen run it: Applications