If you are a Wii addict/hacker, you will want to check out this homebrewed hack on making your own Wiimote jogging board. Of course, making things yourself always beats anything you can buy such as WiiFit.
I wondered about a way to get fitter, work out without having to go running outside (although that is very healthy). I didn’t think the Wii balance board would do the trick, as the Wii games where reported not to be very intense, and the board itself is to hard for running on it. So what