I did like the thing - but the rooms in our appartment are too small to use it properly. I keep banging against furniture, floor, walls, ceiling...
They had a special class in the gym that I used to go to. But I hate group activities... However, I think it helps to get some kind of introduction - more than just a video.
Meanwhile, I stopped going to the gym and BigDice and I are now working out here:
Powerplate
The guy who runs the place in our street now is trying our Flexi-Bar. I think he likes it, too!