Hi Woody/Peter,
I have been using the C1 and Phocus since their early versions until the present editions. I like both software.
For me the difference is that C1 can process a lot of different camera files, while Phocus works with only Hasselblad files.
Other than that, I think Phocus has become very stable, and dependable in the last few upgrades. And works wonders with the HB files. I have not seen any capability issues or user interface problems, except that the places for various sliders may be different. It's a matter of getting used to, as in all software. That's why I have written, because your generalized comments sound as if there is an already agreed verdict.
As a user, I wonder where you have problems related to Phocus. HB has asked users for ideas in their forum, and some people have reported sort of a wish list. I'm sure HB will listen to these as well as your comments, if any.
Have a good day