Available now at http://www.console-tuning.com

The INTENSAFIRE modifies XBOX 360 controllers (CG, Matrix and wireless), allowing them to control 5-mode sleeper settings, and use customizable user programmable modes. It uses the existing Sync button to toggle and also offers and included button that advanced modifiers can use. It also enables dual rapid-fire- usable in all XBOX 360 games, including gamer favorites: Left 4 Dead, the Call of Duty series, the Halo series, 
the Gears of War series, and Street Fighter.

Works on all Xbox 360 wireless controllers, Gives all controllers preset rapid fire plus a user programmable mode, guaranteed working on all future FPS games. Also comes gives the product 3 color LED´s for free. (less info)