You found this post by your own or you got an email from our Support Engineers.
With this post we will give you our suggested way to install the December CU and with that to be at the latest binaries we currently delivered.
Update 20.25 GMT; Follow here or use the Official blog of the Product Group.
Announcing December Cumulative Update for Office SharePoint Server 2007 and Windows SharePoint S
WSS December CU ~80MB http://support.microsoft.com/hotfix/KBHotfix.aspx?kbnum=960010&kbln=en-us
MOSS December CU ~300MB Updated 25/Mar/2009; this package is not available anymore. Please install the February CU!
Related KB articles:
Language packs are available: http://www.microsoft.com/downloads/results.aspx?DisplayLang=en&nr=20&freetext=sharepoint+language+pack&sortCriteria=date
All needed information to install Service Pack 1 http://blogs.msdn.com/sharepoint/archive/2007/12/11/announcing-the-release-of-wss-3-0-sp1-and-office-sharepoint-server-2007-sp1.aspx
For any other updates please check the official blog of the SharePoint product group: http://blogs.msdn.com/sharepoint/