Procrastinato on 28 April 2010
The Wiimote's ability to detect depth is based on distance between detected light sources, and it is far less accurate than analyzing a camera image with a clear marker of known size (like a glowing sphere) would be.
Otherwise, I agree, the Wiimote+WMP should be nearly the same as the Move. Spatially, however, the Move's accuracy margins would be measured in millimeters, whereas the Wiimote's accuracy margins would be in terms of centimeters.
