The physical product is very good, probably the best band hardware I've seen. The workouts and accompanying workout card are well laid out and convenient. I haven't had the product long enough to know if the workouts are effective but they appear to be working the intended muscle groups.
Overall I am pleased with the system. If you look at what you get in the box, it does feel expensive. Looking at the overall product and knowledge behind it, I think it is a pretty good value. But time will see how effective the intellectual property with the system actually is.