Screencast
http://msdn2.microsoft.com/en-us/library/bb291003.aspx

Working with Content Controls
http://msdn2.microsoft.com/en-us/library/bb243344.aspx

Building Word 2007 Document Templates Using Content Controls
http://msdn2.microsoft.com/en-us/library/bb264571.aspx

Linking Word 2007 Content Controls to Custom XML
http://blogs.msdn.com/acoat/archive/2007/03/01/linking-word-2007-content-controls-to-custom-xml.aspx

Word 2007 Content Control Toolkit

XML Mapping with Word and SharePoint
http://channel9.msdn.com/Showpost.aspx?postid=273005

Mapping Control Controls via Word 2007 
http://www.click2learn.ch/help/Pages/MappingControlControlsviaWord2007.aspx

Linking Word 2007 Content Controls to Custom XML
http://blogs.msdn.com/acoat/archive/2007/03/01/linking-word-2007-content-controls-to-custom-xml.aspx