Google just officially released the CalDAV support of Google Calendar. With this open protocol you can now sync your Google Calendar locally.The Google Support document describes what's to be considered and how to set it up:http://www.google.com/support/calendar/bin/answer.py?answer=99357The support article contains links to set-up tools which let you easily chose which calendars to sync locally.An interesting article with background information from lifehacker is also available:http://lifehacker.com/399366/google-calendar-adds-caldav-support-enabling-ical-synchttp://googlesystem.blogspot.com/2008/07/google-calendar-adds-caldav-support.html