Playing the Wii is quite a different experience than the usual sit-motionless-on-the-couch scenario. Nintendo's new console has gotten people on their feet and using muscles their bodies had forgotten about. One blogger in Philadelphia has lost nine pounds just from playing Wii Sports.

After six weeks of playing Wii Sports for 30 minutes a day, Mickey DeLorenzo dropped from 181 pounds to 172. DeLorenzo came up with the regimen after his first breathless Wii Boxing match against his wife.

His food intake remained the same and he didn't deny himself the usual holiday indulgences, either. He tracked his progress at WiiNintendo.net, which includes before and after photos.

DeLorenzo told Reuters a fitness Web site has enlisted his help in creating Wii workouts, and he also recently bought the domain name WiiWorkout.net.