The theme you have all been waiting for.
A World of Warcreaft XP theme has been created by Stardock. We think that they wrote this:
"Now you can enjoy the look and feel of World of Warcraft even when log out of the game, thanks to the specially designed World of Warcraft Windows XP desktop theme pack created by Stardock. Using Stardock's Object Desktop technology, the Worldof Warcraft theme pack changes your title bars, Start menu, icons, push buttons, borders, and much more to mirror the user interface from the game."
Read all about the World of Warcraft XP Theme at The Official Site.