why no one specktrum? I highly recommend DX3R. Cheap, light. Beat my two KO 2.4G system (EX-1UR and EX-10 helios) in terms of wireless reliability. In terms of the electronics, Futaba / KO really don't worth that price point, just some off-the-shelf radio chip. Better save the money for a really good servo. A better servo is more important then any differences you found amoung all 2.4G system IMO. My 2 cents.