SharePoint Portal Server 2003 Service Pack 3 & Windows SharePoint Services Service Pack 3 available for download
Description of SharePoint Portal Server 2003 Service Pack 3
http://support.microsoft.com/?id=923644
Issues that are fixed in SharePoint Portal Server 2003 by SharePoint Portal Server 2003 Service Pack 3
http://support.microsoft.com/?id=938795
SharePoint SP3 Download Site
http://www.microsoft.com/downloads/details.aspx?FamilyID=AB086D48-1148-48DE-B4EC-A6298367E5F0&displaylang=en
Description of Windows SharePoint Services Service Pack 3
http://support.microsoft.com/?id=923643
Issues that are fixed in Windows SharePoint Services by Windows SharePoint Services Service Pack 3
http://support.microsoft.com/?id=938793
Windows SharePoint Services SP3 Download Site
http://www.microsoft.com/downloads/details.aspx?FamilyId=2BBFC89B-EB59-49FF-B58F-684693CB25A7&displaylang=en
