I have been a Pass fan since the early 80s. When I upgraded after 10 to 15 years, I was shocked at the improved sound from the new amp. I think you will be very happy.
However, amp house sounds are very different… like, Mac, Bryson, Pass… etc. you should hear them. Bryson and MacIntosh are from two completely different camps.
Given the kind of money you are talking about I would go listen to each… throw in Pass and Audio Research. Worth a trip if required.