I love P90X. I'm 23 days into my first round, and have found the nutrition guide, the videos, and the community that surrounds P90X very helpful and supportive. If you eat the right foods and push yourself during the workouts, you WILL see results. My body composition has already changed significantly, and I can't wait to see the total yield after completing the program.With that being said, the one flaw I've found with this program is the quality of the DVDs. I have exercised care in handling the discs, but have found that a couple of them have picked up scratches that cause the workout to jump. When this happens, I have to search through the chapters and pick my workout back up as close to the damaged area as possible. This affects my overall flow, and is frustrating.I'd encourage you to try P90X, but be wary of the DVD quality.