For Outlook users, Google Calendar Sync provides a superb way to view your calendar from any computer with internet access as well as a way to allow selected others to be able to view and even edit your calendar. I had written about the topic in this post.
The only problem is that those who have upgraded to Outlook 2010 found that Google Calendar Sync did not work with that version. That problem is no more. If you have Outlook 2010, read this post from Official GMail Blog which explains the solution.