Microsoft App Connects Windows Phone 7 To Macs
Windows Mobile users can now sync with Macs without third party software.
Microsoft has released an official app in iTunes that allows users to connect their Windows Phone 7 or Zune to Macs. The Windows Phone 7 Connector app syncs media from iTunes or iPhoto to the device, retrieve media, and even update the phone's operating system.
Windows Phone 7 Connector
ars technica: Windows Phone 7 Connector Released To Mac App Store