You should look at WebGUI.
The thing is like this, if you want a "consumer grade" CMS, use Wordpress and others in the same class.
If you want a serious Enterprise Class CMS that has anything and everything in it...
http://www.webgui.org
Seriously, its very very very powerful and full of features Wordpress and Drupal and Joomla can't even begin to compare with. Even with Plug-ins...