I used Weight Watchers for awhile. It REALLY gave me an outlook on how bad foods affected me. I used to work as a night manager at Subway, and would bring home 2 footlong subs and about 9 cookies a night. When I joined Weight Watchers, I had a count of 21 points a day - and the cookies alone would take up 9 points a piece. I would have never thought that the cookies would be THAT horrible lol.
I didn't really lose weight at all - but I didn't exercise like I probably should have.
It did give me a great outlook on food. My point counter became my new best friend. It was like a game, to see what foods were the highest in points, and which ones were the lowest, so the process was fun.
At my meetings, there were mostly elderly women, so I didn't get the support group that one would think about having. The meetings really didn't help - but the samples of food were great!
I use www.myfitnesspal.com also. I like that I am able to see numbers, instead of working on my weight and having to wait a week to see if I had results or not.