r all ofna's very durable??? cuz i used to own a traxxas 4tec and that thing had a broken part so often that i was thinkin about givin up rc. also my dad has a duratrax that he doesnt run anymor and that thing had a lot of problems 2. but then the ofna i got hardly ever broke down. most of my parts r stock(plastic) and still in excellent shape.