After a bit of searching I have found Ken Robertson's plugin to change Community Server from a multiple blog installation, to a single blog installation. It took all of 2 minutes to do the installation and configuration, and my blog is now happily running on the root of my site, without any complaints, and without the need for readers to click on one extra link to get to it.
You can get it here
http://qgyen.net/archive/2006/07/14/Qgyen.ExtendedUrlMapping-for-CS-v2.1.aspx