pricing is hard these days -- and medium formats of the 645 variety seem especially hit hard. I paid $120 each for a new-ish Mamiya 1000 body and 55mm lens. Was astonished at how cheap they were until I realized how insular the system is -- lenses only work on those bodies, nothing else. Without the Hasselblad charisma, prices suffer.
On the other hand, many times when someone ways "that costs too much" what they really mean is "that's not really what I want but if it were cheaper I might take it anyway."
Saw a guy recently who said he paid several thousand for a Leica M3 -- admitted he clearly overpaid but was very happy anyway.
Keep trying. If no bites after a while go the Dutch auction route, or perhaps find a local college that still teaches film and needs a tax-write-off donation.