Nothing much of value or technical consideration to add to this discussion other then to concur with Birna's observation and add that the Z50 may well come to be regarded the "digital FG" by those familiar with the FE and FM legacy and the relative utility and/or limitations of each. (Admittedly I made a similar prediction at the Z6 release, calling it the "digital FE".) Personally, I enjoyed them all right up to the dawn of the ersatz digital age or about the time digital was a settled argument -- or I could actually afford a new camera, I forget which. Then, too, I was a "photographer" (or so I was accused) before I truly understood the how-and-why of physics and chemistry that made those images happen. For decades thereafter, my favorite emulsion was any film on sale or gifted me... [sigh!] But I digress.
Now my gut feeling, as that of near-everyone it would seem, is that the Z50 will be popular among so-called "creatives"; students and artistes here in New York -- especially those weary of shooting with phones and dealing with their inherit limitations. (Those pesky laws of physics, and all that.) I for one can see the Z50 coupling nicely with my lab microscope or tethered to my trashcan found telescope. I'm sure some enterprising young Asians are busying themselves designing and cobbling together all manner of aftermarket lens, pin-hole and beer bottle adapters to satisfy even the most jaded hipster. Offer something that can adapt a D-lens or some oily Russian glass from the '50s and watch out!