but I've been doing Wii Fit in conjunction with regular exercises, and Nintendo's little board really does work. I was really surprised how accurate it was when I tried it at a friend's house, but having it for myself, I have to say that its the truth. If you're dedicated you can see results from it. You won't become a bodybuilder, but it will help strengthen your core. I just wish you could create pre-set routines instead of going in and out of menu screens.