Meet the Booty Firm from ProForm: a system designed to help you get fit with dancing. The resistance machine has 10 levels to tone your body. It lets you target your glutes, quads, and thighs. The device has a space saving design and can handle users up to 250 lbs.
The Booty Firm comes with DVDs to help you get started faster. Whether it lasts long remains to be seen. More information is available here.