The Calendar Printing Assistant for Microsoft Office Outlook 2007 is the first external product to come out of my group. There are some nice writeups finally hitting the web:

http://blogs.msdn.com/tims/archive/2006/08/15/701836.aspx
http://www.microsoft.com/office/preview/community/article_calendar_krieger.mspx
http://www.microsoft.com/office/preview/programs/outlook/cpa.mspx