McIntosh Intergraded

I am trying to decide between the MA-6100 or the MA-6200.I think the 6100 looks better. Can someone help me make up my mind? I use Cremona Auditors for speakers.

I own the MA6200. Recently got it back from service to repair the Tape button. This is a beautiful amp that mates well with so many speakers. I'm currently driving Sonus Faber Signums and I'm stunned at the bass control. I've only heard good things about both, but everything I've read suggests finding the funds to get the MA6200. Although, I might agree the MA6100 looks cooler. I've also tried the MA6450 with greast results as well.

I believe the 6100 is 75w is that enough for my Auditors? The 6200 is 100w does the extra 25w wake a whole lot of difference ?

Personally I don't think Mac is a good match with Auditors, I found Mac a little slow and not that dynamic, also the Auditors are power hungry and 100 w is definetely not enough.
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Do you have a suggestion for an intergraded with tone controls that will match my Auditors or speakers that would be a good match with the Mac? I am ready for a change.I'm using the Logos to push the Auditors sounds great but the quality of music I listen to needs help.Lots of 50's rock.