Try google calendar and contact sync.
I have not had any problems with my MacBook Pro and DM for Mac.
Use Entourage 2008 and T-Bird/Lightning for email contacts and calender.
But I do use Google Calendar sync to keep calendars up to date on several different devices - BB, Mac and PC.
Last edited by Dubdub; 09-23-2010 at 07:24 AM..