Performance Designed Products (or PDP) plans to offer a motion controller for the Xbox 360 sometime this fall. This new controller called the Gametrak Freedom uses several accelerometers for mapping pitch, roll, and yaw. The controller differs from the Wii remote in that it uses ultrasonic 3D positioning. Also unlike the Wii remote, the Gametrak Freedom will come with two sensors that will be placed on both sides of your display instead of the Wii’s single infrared lamp. These two sensors communicate with an