For starters, it is not a good idea to post two threads about the same thing. Start one and be patient, if you don't get a response in a couple days go ahead and put a post in your thread to bring it to the top but only after a couple days.
As far as your question, imho, I am not a fan of nos. An all motor rotor will only get you so far at a certain cost. What type of power are you looking for?