I started P90X in Feb. 2007. Since than, I have completed the program many times. I have also been using the One on One videos and find them to be a great addition to mix up with the P90X program. I have put together Hybrid Mix's if you will. The One on One's are great as you can pick the one's you want that compliment your goals, and they do take your P90X experience to a whole new level. I am mixing it up all the time. If you are happy with P90X, than the One on One's are essential to...