I really like the Evolution 46. It is distributed by Horizon hobbies and is quite new. I bought a couple at $80.00 each. the engine is prerun and adjusted and is ready to fly. It comes with a three-bladed prop and a flywheel which is used for a trainer.( I learned about it when I bought an Alpha trainer). I have flown them right out of the box and they have been uterly dependable. I think they have good power but I have been flying RC less than a year. I hovers my heavy beat-up SPA3D no problem. I bought mine at my LHS. It pulls a 11x5 prop really well , am going to 12x5 if I can find one. thudriver