06-20-2011, 09:30 PM
In 10.6 It is a snap---just Address Book>Preferences>Accounts, and enter gmail name.
iCal is the same.
I am not on 10.5 to test, you should be able to set up some sort of CalDav and CardDav
iCal is the same.
I am not on 10.5 to test, you should be able to set up some sort of CalDav and CardDav