Besides the 0day there is some good news as well. Today (you see we are working during Christmas time J) we published V2 of the Windows Server 2003 Security Guide covering SP1

If can be found here: http://www.microsoft.com/downloads/details.aspx?FamilyId=8A2643C1-0685-4D89-B655-521EA6C7B4DB&displaylang=en

This is the best document on how to harden Windows Server 2003 SP1 in different roles

Roger