Engadget writes:
About a year ago, one morbidly obese (er, a tiny bit chubby) man began a quest to find out what happens when you stop being polite and try to exercise via Wii Sports (see above). Apparently after losing 9 pounds, dropping two points from his BMI, and 3-inches from his waist, he's ready to go again, this time with the Wii Fit.