Has anyone here tried the mDecks system of technique development?

www.mdecks.com

I'm feeling a need for this sort of systematic approach, and the description sounds compelling.

I'd love to know if anyone here has tried it and could make observations.

Thanks!
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I'd be tender, I'd be gentle
And awfully sentimental
Regarding love and art...

I'd be friends with the sparrows
And the boy who shoots the arrows
If I only had a heart.

-- E.Y. "Yip" Harburg and Harold Arlen