I just came across a site running Joomla thats been setup for the Beijing 2008 Olympic Orchestra to publish news and general information about the orchestra etc.
The site's fairly simple and, like many other quick'n'dirty Joomla sites out there, uses a Joomlashack template. Though its been put together a little spottily (menu item assignments don't seem to be uniform through the site so some pages don't feature the full navigation etc...), this site really reminded me how pervasive Joomla is for people who want just a tad more than say, a Wordpress blog.