Just one of those "yeah!" threads...
I finally got around to finishing the work of transplanting a Mamiya RZ screen into my newly CLA'd Rolleiflex Automat. It took some pretty good effort using razors, saws and grit #80 paper. If I can do it, anyone can.
It's much brighter now, but I have to run a test roll to be certain it really works as it should. And hopefully I put the screen in right way round.
Unfortunately, I can't show you, as I don't have a working digital camera at the moment.