Because some times you might need a (possibly) crappy other controller to beat people better than you, but this one seems to have more on its mind than just being another clone.
Expect me to find and post a review of it when it comes out
Full gallery hereNyko has what it plans to be the world's first Wiimote replacement with the Motion Plus add-on built-in. Dubbed the Wand+, the controller will retail for $39.99 and should be on shelves by March. In addition to those fancy gryoscopes, the Wand+ has a matte rubberized back and rubberized buttons that are pretty comfortable to the touch, there's a built-in camera for acting as a "regular" Bluetooth mouse, and the whole assembly is much lighter than a Wiimote / Motion Plus combo.
Expect me to find and post a review of it when it comes out