Three popular get fit exercise programs (all posted on newsgroups) go head to head in this details comparison,
P90X, Insanity and Rushfit: A Side-by-Side Comparison of TV
BTW, I have done some stuff based on P90X and if you are motivated enough its a great workout.
P90X, Insanity and Rushfit: A Side-by-Side Comparison of TV
BTW, I have done some stuff based on P90X and if you are motivated enough its a great workout.