This is so cool.

Introducing the massively extendable, customizable in-game toolset that will change the way you game. The PLAYXPERT client is built around a revolutionary in-game overlay technology, bringing the tools of your choice to the games you play. The unique widget architecture of PXP allows for endless customization and functionality.

Its amazing, you can have itunes, WOWiki, a webrowser, and so much more. Check out the site. http://www.playxpert.com