I never really used virtual desktops until I spent some time using Kubuntu; from then on I have found them to be an indispensable part of my workspace. When I switched back to Windows XP I found myself really missing the multiple desktops. I did some searching and tried out a few free options that are not really even worth mentioning until I came across DeskSpace from Otaku Software. It is unobtrusive, attractive and just works.