I've always wanted to try this, and finally a friend was interested in going with me. We took the intro class and within the hour I was totally hooked! I've been going for a few weeks now ($99 unlimited classes per month is a great deal!) and can already feel the difference; it's amazing core work and upper body strength. I feel more graceful, stronger, longer and lithe, and I have a lot more body confidence! People have already been asking me what I'm doing that's different and this is it!
The instructors are very friendly and keep a good pace for you; most importantly I felt comfortable as an "average gal" in shorts and a tank top. There is a great variety of classes too; yoga, cabaret and a boot"y" camp.