Fitness Boot camps hit the mainstream

I have been seeing a lot of ads and seeing people around me joining short term fitness bootcamps.

The fitness bootcamp idea is generally 5 weeks, 2 to 3 times a week workouts with a trainer in a small group for a couple of hours a session. A couple of nights ago Desperate Housewives (the TV show) brought a fitness boot camp to TV.
What Are Fitness Bootcamps?
Have you tried these group workouts out? The idea is great. You learn a lot of new exercises so that your workouts are not as stale and boring and you have this very immediate feedback loop as to whether the workouts are working or
Fitness Boot camps hit the mainstream