you'd charge people for this service?
it sounds like something that owuld happen at the senior citizen's center... Let's put on a Jack LaLanne or Richard Simmons tape and get sweating...
I am not a fan of DVD's at all -i'm really not a fan of group
fitness classes either but that's antoehr story combining the two would be torture - Zumba classes are taught at a lot of gyms - that started out as a DVD but now they're led by live instructors.
Unless you've got an intructor there -- who can correct people's form -and ensure they re doing the exericses the proper way - what would be the point of going out to do this when i can get a dvd for free from the library...
Downloadable programs to a person's MP3 player is a far better market but fairly saturated as well...