Keith, I read it and got a bit of chuckle on this line: "There are aspects, such as printing I'm just not going to use. Not because they don't work..."
With version 9.0 and 9.1 the chances are "it doesn't work" at all. Hasn't for a few years now, even with version 8, printing to my 3880. Does work with Canon printers though.
I agree with the better processing of noise in PRIME. Might be the best out there now too. Their lens correction data is pretty nice too.