Apple has updated its iSync program. Now available through Software Update or on Apple's web site, iSync 2.1 "supports compatibility for more devices such as the latest Motorola, Nokia, Panasonic and Sony Ericsson phones."

iSync 2.1 for Mac OS X Tiger synchronizes compatible applications in Tiger including Address Book and iCal calendar and your iSync compatible mobile phone or Palm OS device.

A complete list of compatible devices can be found here.