Windows users are awaiting for the release of Vista, there have been two new themes released for XP that can help to jazz up your desktop. Both of these themes came from notstatic.com that is run by a designer who works for Microsoft.
The first unofficial theme is called Royale Noir, that people within Microsoft have been using for some time.
The official one created for the release of the Zune media player.
The Zune theme as seen in pictured below.