McIntosh MC611and MC1.25KW-how do they sound compared to 601's and 1.2KW

Long time selling and buying on Agon but first time positing.  Just sold my 1201's and was planning to upgrade to the 611's or the 1.25KW's. However, I am on hold now as I have heard from two sources that McIntosh has "re-voiced" the amps.  Both guys felt the high end was hard and difficult to listen to at anything above a whisper. Both guys sold their 1.25KW's within weeks. Does anyone have any experience either comparing these new amps to their predecessors and/or with similar mono blocks?

I really enjoyed the 1201's with my speakers. Just decided to change as we were moving and had to crate them up anyway. 

I have DynAudio C4 Platinum Confidence speakers, McIntosh C1100 pre. Linn TT with the full boat Linn treatment, etc. 

Any advice or insight would be appreciated.