IÃ¢â‚¬â„¢ve been rambling on and on about the productivity and/or visual boost which one can get from Compiz Fusion, the Live-CD function that enables you to try out Linux before installing it, etc. etc. etc.!
But what about you?
Many Linux users know why they use Linux, everyone has a reason they chose the Linux Desktop. Some of the qualities of Linux are speed (because of good, open code) and most importantly, choice.