If you are seriously interested in Wii stuff
Check out this blog and go through all the links, you will know more than everyone here then about the Wii. And yes you can keep fit by doing Yoga, tennis, baseball, gold, Wii fit, or even core workouts with the Wii balance board. The Wii puts fun back into a work out, you can even compete!
Heres the links , and check out the play Asia site because they have more games than we do since thats where the Wii comes from...
buy a wii