Scored a user-grade Mamiya C220+80/2.8 from the classifieds here. Clean glass, shutter runs well, etc but I found the focus to be noticeably out. About 0.8mm difference between film plane and ground glass so I cut shims from a baked-beans can (drill and tinsnips!) and jacked up the GG. For future reference, Heinz cans are all but exactly 0.2mm thick
Now I just need to run another test roll. Looks like it will be a really fun candid-portraits camera, though it's (understandably, the optics being 20+ years older) not as sharp or contrasty as my RZ67 lenses.