Excuse my ignorance here but is the Moog circuitry on an RD more about, 'Oh, mine has a Moog circuit!' or what the circuit actually gives?
I've just watched a short RD bass video on You Tube posted by the Chicago Music Exchange (and while I'm really no fan of sunbursts, that sunburst is pretty lush)...look, while the video is pretty brief and there's this comment about Bob Moog being visionary, I don't really know that in a real terms the circuit (in today's terms) provides that much other than a bit of cut and boost (that would be lost once everyone cranks things up) and a frankly hideous backplate on the reverse of the body.
I suppose another observation, look at the size of that circuit-board. Jeepers, you could probably make the same now at the size of a postage stamp.