Some helpful links for understanding TFS Reporting
Welcome! I thought that I would kick this blog off with a list of some good resources for learning about TFS Reporting. This list is by no means comprehensive, but some links that I find myself sending out frequently to those looking for more information about how to create reports in TFS.
A good overview of TFS Reporting posted by one of our MVPs:
http://dotnet.org.za/willy/archive/2008/01/11/team-system-reporting-a-scary-but-powerful-environment.aspx
A blog post from Jimmy Li's which describes the TFS OLAP Cube:
http://blogs.msdn.com/teams_wit_tools/archive/2007/04/30/understanding-the-tfs-cube.aspx
Mauli Shah's list of resources for TFS report developers:
http://blogs.msdn.com/teams_wit_tools/archive/2007/03/26/tfs-report-developer-resources.aspx
Some MSDN documentation on TFS Reporting:
http://msdn2.microsoft.com/en-us/library/ms244696(VS.80).aspx
http://msdn2.microsoft.com/en-us/library/ms194922(VS.80).aspx
http://msdn2.microsoft.com/en-us/library/ms244710(VS.80).aspx