I am waiting for that camera for years now. I had the A850 and I if I look at the images toady, still color rendition is very pleasant. But the 850 lacked live view, and as I switched to TS lenses, I use 17, 24, 40 and 80 mm, it became impossible to use it without that. I then had a look at the NEX7. It was a nice cam, but the crop just made it unpractical with the given lenses. And the NEX7 is a haptic nightmare.
So I switched to a Canon 5DIII. Though haptic is excellent, for landscape photography I didn't like it at all. The dynamic range is quite small and many times I find myself exposure blending which may take much to long time. I have to use a magnifier lens for the LCD to get things sharp, and the images sometimes just don't look right. Colors shown aren't what there really was. The Nikon D800, was no option as the TS lineup is not what I wanted (TS 17) and live view seams to be from hell. Thats at least what I read e.g. from diglloyd.
Now her comes the Sony rA7. 36MP. Superclear EVF, so I can focus more precise than ever before, I can see WB changes, the Histogram, in short all the infos I need.It will have the best 36 mm sensor so far, with incredible DR. I can push the blacks without all the color noise I am getting now. I can use all my lenses on it, and I am sure even vignetting with the 17TS is no real world issue. And there is Focus Peeking, incredible helpful with tilting which is now only trial and error.
I ordered it right away. Delivery is said to be Nov 21st. For me this is what I would want from a landscape camera. I don't think I will ever touch the 5DIII after that again. So I guess it goes to eBay. The 5DIII has some advantages, of course, just the remote control cable is way better than Sony's. The wireless flash. And of course the 85/1.2 and 50/1.2. But how often can you use them? For portraits hard to use, as only the center double crosspointers get things sharp. Not very helpful if the eye is in the left top of the frame. But even then, I hear the Sony has eye detection. Maybe these lenses work fine manual focused with the a7r, too.
So for me thongs can't be better.