Kipplemaster

Not me. I had a Mamiya 7 and it was limited. We are very spoiled by having much better cameras nowadays in smaller bodies.

It seems surprising that they were (and still are) asking more money for this than the GR. To ask the same as the old camera seems reasonable given that none of the other manufacturers have...

I note that since version 5.2 the Sony Playmemories App for Android phones is supposed to support multiple camera control.  The documentation only states support for the new action cams, not QX ...