I recently just made the move from a blade cp to the trex 450sa and its a huge difference. The trex is so stable its unreal. But its so much more complex and expensive. When your first starting out, you will crash and will have to make repairs. The blade is so much simpler it makes this process much less aggravating IMO. But this simplicity makes it more difficult to fly so i guess its kinda a personal choice on this one. If you have the patience and the funds available get both and learn how to fly the cp and build the trex. Then once you have the confidence and the ability, power up the trex and have fun. Thats just my 2 cents