Take a look at the new Lanier Razor 3D which will be out next month:
http://www.lanierrc.com/lrcprivate/L...es/razor3d.htm

I saw the prototype with YS63 tip the scale at 4.5 lb less rcvr and battery. Should be great with a Saito 72. Appears to be lighter than UCD46 or H9 Funtana .