Anyone have success with P.I.N.K. method?

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This workout method seems very similar to many others out there.... p90x, insanity, etc.... however, the thing that intrigued me was that workouts are wayyyyy shorter than with p90x. Has anyone been on PINK for at least a month (sticking to plan, of course) and seen great results? I'd love to try it, but I don't want to spend so much money if it's not worth it.