Every so often Microsoft releases a roll-up patch for Outlook which fixes a number of issues inbetween service packs. Last month Microsoft released another roll-up, which you may find useful. To download the December 2008 roll-up patch, click on View arequest hotfix downloads and Microsoft will send you an e-mail with the download link and password to unlock the zip file.
support.microsoft.com/default.aspx/kb/959642/
