There are more fab - useful tricks for google calendar and your windows calendar including outlook. Check highlights in blue: scroll the page and see right hand side ;-)
Quickly Add Appointments to Google Calendar in FirefoxView Your Google Calendar in Outlook 2007Sync Your Outlook and Google Calendar with Google Calendar SyncOverlay Calendars in Outlook 2007 (like Google Calendar does)Disable Windows Calendar in Windows Vista
This looks really, really good. I will check it out on my system, and report back. Specially will be looking at integrating into my blog. Want to see complete google calendar workflow ;-)