I really like the Insanity workout videos. I think it's an overall good program that may help someone get back on track. it's nice because theres no equipment it's all with your own bodyweight. I'm the type of person I bulk up too big with weights but with my own body resistance it helps me out a lot. If you push yourself in the videos you will sweat a lot! It differs from cardio, plyometrics, and strength training.
Hope this helps out some.