Yes, I am referring to the Power Sculpt Advanced w/ Resistance. It didn't feel challenging to me. The teaser is of course a good core challenge, but other than that it was not advanced in my opinion. I certainly don't feel that my body would improve from it.
I feel more of a challenge from Karen Voights Yoga and Sculpting DVD.
My primary exercise tendencies are towards Cathe workouts and rotations involving Cathe, treadmill, and biking(indoor) and power walking outdoor. Pilates and yoga and more stretching are some workouts I thought I might learn to improve my flexability and aim towards more long and lean muscles.
Perhaps there are other Pilates workouts to try. Dani's mention above seems interesting. It doesn't appear to require a resistance band.