Lose it or Lose it

A new weight loss web site has popped up.  This one has an interesting way of motivating you to lose the weight: money.  Basically you purchase a plan, try to lose the weight and if you do, you get your money back.  If not, bye bye cash.  It seems a little expensive for me (to lose 1 pound per week for 10 weeks would cost me $100 if I don’t meet my goals) but it is intriguing.

Would you try something like this?  Would it motivate you?