[From MSDN]
This first in a series of articles by Michael Rys details the major new capabilities of the server-side FOR XML clause in the next version of SQL Server. These enable you to further enhance the XML support in your applications and to write easy-to-maintain relational data-to-XML aggregations. (12 printed pages)
The article continues at
http://msdn.microsoft.com/XML/BuildingXML/XMLandDatabase/default.aspx?pull=/library/en-us/dnsql90/html/forxml2k5.asp