> What Digital Content management systems are there out there.
> 
> I can think of Greenstone, and various OAI repositories.
> 
> Any suggestions, particularly for something that uses Apache 
> and ModPerl?

Hi, there's always venerable ol' DLXS, it runs with Apache and is
Perl-based:

http://dlxs.org/

Not quite a CMS, per se, but a darn fine digital library application.

--
HARDY POTTINGER <[log in to unmask]>
University of Missouri Library Systems
http://lso.umsystem.edu/~hardy/
"No matter how far down the wrong road you've gone,
turn back." --Turkish proverb