I notice online that there's a broken link to the Group Policy Settings Spreadsheet changes. What happened was that the content for this area got consolidated and unfortunately in the process the old links were broken.
So if you are looking for settings changes in Group Policy for:
then the new link is here: http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=18c90c80-8b0a-4906-a4f5-ff24cc2030fb