After contemplating on a choice for a 450 heli, I decided to get a Beam E4 from a fellow RR member. After getting it and setting it up and now flying, I am impressed and at awe at the stability of this model. The Beam E4 is quite a handful (to say the least) when doing 3D manuvers. I am having so much fun with it that I am neglecting my big nitro helis.