encyclo - 12:08 am on Aug 28, 2004 (gmt 0)

The well-known design site Boxes and Arrows uses Movable Type as it's CMS, and it is more like the site you are describing, and it is certainly not a "blog". So, it shows that MT can be successfully adapted to many situations.

I believe you can do the same with WordPress [wordpress.org] too, and that's free and open source. It is based on the old b2 blogging system, can do valid XHTML "out of the box", multiple authors, categories, sub-categories... There is apparently a bit of cruft in the code left over from the old b2, but it is being cleaned up and is getting better with every generation. Worth a look.