My desktop is probably one of the cleanest here. I leave a lot of programs in my Start menu. I hate having a cluttered desktop. It's very annoying for me.
Here's my 'updated' desktop:
http://images.dan-rouse.com/uploads/...-Desktop-I.jpg
I keep updating my desktop with my progress to keep me motivated to work on the piece.

Plus, I just think it looks really neat. lol