Jeff Braaten has detailed the history of Help 3 and the experience of help in Visual Studio 2010.

Check it out!

http://thirdblogfromthesun.com/2010/10/the-story-of-help-in-visual-studio-2010/

http://thirdblogfromthesun.com/2010/10/the-story-of-help-in-visual-studio-2010-part-2/

http://thirdblogfromthesun.com/2010/10/the-story-of-help-in-visual-studio-2010-part-3/

- April