As I do more and more vertical landscapes I can see how this is almost impossible to do without. And how the OMD was waaaaaaaaaaaay ahead of its time. That LCD....
I've been playing around with Topaz, it's beyond amazing. But even so I actually prefer some of the noisier files I get out of Fuji.
Like I prefer this over the denoised version:
DSCF7397_1 by
TIKI, on Flickr
But for you, you need workhorse cameras and Sony is that right now. However, the noise performance typically gets better and better, the XT4/XH2 should be a leap forward in that regard, this is dependant on sensor tech, processing tech and AI, so I don't see why it would hit a limit anytime soon.