I'm busy downloading and installing them on http://www.wssdemo.com/application

So far the Business Performance Reporting template looks the most interesting…
http://www.wssdemo.com/application/bpr/default.aspx

Download them in 1 file from http://www.wssdemo.com/redir.aspx?ID=934  to your desktop (doesn't have to be the server) and add them to your site admin templates gallery.