If you have a Windows Phone 7 device and a Mac (which honestly, is a combination worth destroying the time and space continuum just for the irony alone) then you’d probably know both of them can’t connect to each other via USB cable and be too friendly as of now. That’s where Microsoft comes in! There’s no Zune Store support, but the updated app allows you to sync photos/videos/music, and transfer music stored on the WP7 handset to your Mac with tons of graphical and usability improvements.
Although Microsoft is definitely straight up:
In order to enjoy the Zune experience on Mac, you will need to install a Windows OS.