Currently Being ModeratedApr 3, 2012 8:38 AM (in response to mxmvxx)
Currently Being ModeratedApr 26, 2012 8:47 PM (in response to mxmvxx)
On the Mac, wi-fy sync requires Bonjour, and Bonjour requires IPv6.
IPv6 MUST be enabled in the Network panel of System Preferences.
For me, just doing this solved the wi-fi sync problem. When I made that change, my iPad and iPhone both appeared immediately in iTunes.