From IGN:
"Also included to help make the "cursor off" mode a bit more forgiving is a Wii-mote IR calibration mode, where you're asked to shoot the bottom right corner of the screen, then the top, and then the middle, essentially tuning your IR for more accurate shooting. "
http://wii.ign.com/articles/823/823506p2.html
My End of 2008 Hardware Predictions (console only):
Wii : 50 million
360: 28 million
PS3: 24 million
These predictions were made on January 3rd and won't be revised