There are only 4 cameras on that list that would serve my client base, one of which (F3) is already falling out of favor. The rest would not be accepted by the majority of them. The F5 has been the best camera I ever owned, even more so than my beloved and still working HDX900. I have it set up on a Zacuto shoulder mount and I can change the balance very easily depending on what lens I am using.
It is the best ergonomic camera I have because it's fully adjustable. Those that whine it's difficult to shoulder aren't doing it right.
But Sony can't sell everyone an F5/55. So they make a camera for many different areas and price points. Those cameras cannot do what my F5 can, however my F5 can do anything those cameras below it will.
I really haven't been concerned with the number of cameras being released.....Panny, ARRI, RED, ect....I'm to busy with the one I have now. The HDX900 has been relegated to news and live shots that have to be 720p.Between the 2, most likely can ride 5 years with this combination, and both cameras are paid for.
The cameras listed below the F5/55, like the PMW200/300/500 are aimed at TV stations, who will buy multiple cameras at 1 time.HX and NEX series are for wedding shooters and low budget productions. None of which I come near.
There's a lot of bitching on the Sony forum about the F5/55, mainly from guys that bought the wrong camera for their clientele. If you can't make the F5 or 55 work for you, and make money with it, it's not the camera, it's not Sony releasing another camera, and it's not because of aliens.....it's because the guy in the mirror is either not very good or has not figured out how to run his business.
To many folks spend to much time whining about what the camera isn't, or won't do.....instead of learning what the camera is, and will do.