I have the new Mark IV Hunter and really love it. But I also love my Mark III Standard Model with the tapered barrel. I've never had any real issues with reassembly and the pistol is very accurate. I am selling my Mark II Target Model. Probably.
My MarkIII Target came with a threaded 4in barrel ready for a can and a nice mount for an optic. Does the IV come with a short barrel suppressor ready other than the 22/45?
I might buy a IV for the wife. The girlie takedown button would be good for her.