The TQs good. I had a MP7.5 and swapped to a hyper. I bought the kit and stuck a different engine and radio in so i can't comment on the rtr but so far it seems much mure durable than the kyosho. I dont think the bigger engine will do you many favours, If you can find the .21 cheaper just get that. You will pay a lot more for the PBS. if you're paying that sort of money just get a hyper 8.