I run Xubuntu on my work computer; I'd run straight-up-Ubuntu, but it's just too late--too much of a pain to migrate at this point. For my foray into Linux distros, I wanted a light build and Xubuntu was my weapon of choice. For the most part, Xubuntu and Ubuntu are sibling OS'es, though. And, this means that if I ever need to figure out how to fiddle around with Xubuntu, the Ubuntu forums are generally the best place to start.