I have the Voight Cardio & Strength and it's quite dusty. Her weight selection is bizarre. As I recall KV uses the same weight for tricep work as chest. One could adjust, but I'm not a fan of pausing & rewinding. I don't mind high rep/lt weight work like "Firm Arms.." & "Lean Leg.." but this workout does not flow. The cardio was ok. Voight's workout w/ Elle, "Personal Best" is actually a more effective circuit workout (IMO). The cardio is a lot more fun.
The ball workout that came out at the same time was more fun than effective. Literally, you sit on your stability ball and bounce. There's more to it than that & Voight always does killer ab work, but there are better options.
On the other hand, I enjoy Voight's yoga inspired workouts. More for stretching & core strength than for the "toning" benefits.
I recommend her pilates workouts for people that need a bit zippier twist on pilates even though I prefer old school pilates.
It really looks like Voight is enjoying yoga & pilates a lot more than traditional workouts. Her new DVD's that focus on yoga & pilates are organized into shorter workouts & are good buys.
Debra