Nell McAndrews is great, fast paced and not so easy to keep up with, may fall behind at times, but one of the best cardio as well as tae bo, if you want a slower pace may i suggest my old time fave of callentics, i have a video i used after i had my son 12yrs ago, and i still like to add it to my workout plans (music is quiet slow and very boring) but i love it.
Good luck with your search,
Chareen x