A New Beta of VMware Workstation is available for download: VMware allows you to run another full PC in a Window on your desktop, This PC can be a full Linux Machine, Windows XP, Windows NT... furthermore you can run all of them at once in seperate windows. VMware allows each PC to have its own ip address with just one network card, so you can effectivly setup your own multi-OS network on your desktop. Download it here : VMware.com