For those who are interested in learning hip hop moves
while doing cardios might find this DVD interesting:

Quickfix - Cardio Hip-Hop Workout
http://www.amazon.com/exec/obidos/tg/detail/-/B00028G6EY/102-8754290-5556911?v
=glance

I got it yesterday and tried it this morning, did 2 10- minute sections.It is
so fun and i did sweat!