Well, since the powers that be decided that Microsoft Help 3.0 should be renamed Microsoft Help Viewer 1.0 (ehem, leaving out my own editorial here), they have discontinued the Help3 blog.  Fortunately for you, long-time-industry-savant has started a new blog:

 http://blogs.msdn.com/thehelpguy/default.aspx

 Seek, learn, enjoy!

 aprilr