Have you missed any updates? Check out the month by month and by year boxes from Nov. 2005 to Dec. 2009
http://technet.microsoft.com/en-us/wsus/bb456965.aspx
Displayed by past months, this page lists all new, revised, and re released updates for Microsoft products *other* than Windows (for example, Microsoft Office).
Get up to date and check ’em out now!