If you are interested in creating or migrating Help content for Visual Studio 2010 and the new Microsoft Help Viewer 1.0, I recommend you read the recent Blog Post from "The Help Guy" 

http://blogs.msdn.com/thehelpguy/archive/2010/01/26/help-authoring-tool-hat-support-for-help-viewer-1-0.aspx  .

 

See   http://blogs.msdn.com/TheHelpGuy for all his blog posts

 

Terry Clancy