I've been reviewing Interchange, Typo3, and ACS. I thought I would
offer some CMS comments on these two so far.
Interchange has a nice simple interface for managing your content.
http://demo.akopia.com
Typo3 is a PHP based CMS and has some excellent features tied into
ImageMagick. I have yet to install and run this software. It has an
interesting file manager style interface.
http://www.typo3.com
