Weight Watchers

So I am thinking about trying Weight Watchers.  Have you tried it?  What do you think of the program if you have used it or even if you have not.

I am still in physical therapy for my ankle and I had to drop out of my workout class.  However my husband got me a rowing machine for an early Christmas present.  The foot petals are awful, every customer review said they needed to be modified and shared tips on what they did.  So I am going to do that, but it was the only machine in my price range with good reviews (besides the foot petal problem).  This is the one I got

http://www.amazon.com/Stamina-Body-Glider-Rowing-Machine