Here's my Ubuntu GNOME 13.04 desktop. Pretty much the same as always, but I made a couple little mods to the panel, made my conky look like it actually belongs there, and changed the wallpaper to one from a recent vacation.
"I've asked you a million times not to exaggerate!"
iMac 3.4 GHz Intel Core i7 32GB NVIDIA GeForce GTX 680MX 2048 MB
Gnomish Grey Theme
and Conky Manager