On digiloyd there is an account from a reader that says they had head from several sources that Leica has all but abandoned the S System and it has put the S R&D budget into the SL. It's looking like another R scenario.
I remember looking at an R6 and thinking I could like this, I could afford this; unfortunately, it doesn't show full screen coverage of the neg space.
I worked on some trannies made via such a camera and they were beautiful; however, when one's living was rather dependent on making the best use of the tiny acreage of a 135 format, there wasn't a lot of sense in increasing uncertainties for myself.
However, from an amateur perspective, if you could afford them, and the glass, of course, they were lovely things to have. I would not dream of knocking them in any way, and their optics are still pretty damned good and useful today. Ditto the old rangefinder Leicas, which again, were not ideal for my work. But boy, were they beautiful!
Rob