Xbox Controller with Trackball Aim

I always wanted to develop this for Xbox, however getting access to the Xbox developer kit was proven a little bit to difficult to obtain.  Without it, it's impossible to encrypt the wireless signal, making it possible for the controller to communicate with the console. Imagine the precision in a trackball vs joystick when you try to rack up kills in MWF2 or Halo 3. If anyone out there is interested in making this controller and have access to...