To Jfrech and others thanks for responses, I look forward to more. About my feelings about what was better about the older Ref w/XL vs new Ref MM. I felt the older cable allowed more of the music to flow through as it is, and the new MM was imposing more of a sonic signature, everything a bit warmed over, midrange emphasized, and the top not as open and extended, a bit rounded off. These cables do have 50-60 hours on them, but maybe that's not enough will try further break in and respond with results.
Michael
Michael