I have a beautiful Aptus 75 that lends itself to that part of my photography compatible with standing around with a tripod and shooting things that don't move terribly much. For that I use my Cambo and Digitar lenses and even with 33Mp this combo still out resolves my new 42Mp AR72 with Canons TS-E 24 II.
So thats fine... the problem is, l'd like to shoot with an MF body.
When I bought it, I had a Mamiya AFD2 thrown in and on the whole I've never got along with it at all. I can't bear to relate the trouble I've had getting lenses to focus right over the years. Even on manual focus, with sharp lenses like the f2.8 200 APO which is a corker, the images are almost always slightly off a sizeable part of the time.
Now that Phase have moved on and the XF won't support even more recent backs than mine the back has effectively been orphaned from MF body development... but its still a cracking back (possibly the best Aptus 75 ever made as it was the demo unit and has a sensor taken from the sweetspot of the best wafer ever grown).
So what is the best course of action? The options appear to be a DF+ body or to switch the Mamiya and pick up a Contax kit.
If money didn't matter (shame... it does) then which would be the best course of action with this now legacy piece of equipment?