Nifty. Now if they sync with iCal, maybe I’ll start using Google & Outlook…
Google Calendar Sync: Getting Started
Google Calendar Sync allows you to sync events between Google Calendar and Microsoft Outlook Calendar. Youll be able to determine the direction of information flow, as well as the sync frequency. Staying on top of your Google Calendar and Microsoft Outlook Calendar events has never been easier
March 6, 2008 - Google -

The problem is that it only syncs appointments created by you, not other people.