Kasper Bumbech posted a comment in my previous post about Umbraco indicating that the new Umbraco site has been launched. Umbraco is a C# and ASP.NET-based content management system. The new site looks good and provides more information about the CMS. As a result of the site upgrade, my previous links are hosed, so here's the new links (I've also updated the links in the previous post):

Videos: http://umbraco.org/frontpage/demos.aspx 

Source and Binaries: http://umbraco.org/frontpage/download.aspx

Online Demo: http://umbraco.org/frontpage/demos/tryouronlinedemo.aspx