What sounds good about it? I have not heard much good from it. Are you thinking of a stand alone?
Not much, if any of your gains would stay. Based on your 1 line Q's. Id say its not for ya.
Here is a start to your research.
http://www.bodybuilding.com/fun/catdian.htm
My feedback. Nope, no good, Not for me at least. Based on your lack of info, not for you either.
What is a hypothetical run your do, what PCT, what eating sched, how long.