I too love the Mac (and run Bootcamp with Win 7) and have already ripped my collection - so not a lot of excitement about the dBpa add-on. But It will improve the experience for new entrants to the Meridian market which is good for all and dBpa at least verifies your rips to be bit perfect where Control:PC or Mac do not.

Z0: 861v8+ID41+Roon on a QNAP, Naim NAP300, Sonus Faber Amati Anniversario

Z1: Arcam AVR-450, Oppo BDP-103D, SkyQ, Apple TV, Kuro KRP-600A, Sonus Faber Guarneri Memento & Cremona Center M speakers, Martin Logan Descent-i Sub, 2 B&W wall speakers

Z2-6: Roon controlling MC600 Zones into Parasound amps to B&W ceiling speakers