Did an install of CMS 6 R2 demo....  the demo seems to be working, but I can't get into the CMS portion so I can look at how to modify the templates.  

When I go to this link from episerver.config.   I looked at:

http://HOSTNAME:17000/EPiServer/CMS

I get the login page, but after login I get.

Incorrect link

The link you gave does not work, either because the page it points to has been deleted or moved. If you clicked on a link, please inform the site’s webmaster that the link is faulty.