Forum OpenACS Q&A: Response to Advice to ACS newbie wanting to do the problem sets, learn ACS

OpenBSD 3.0.  Best thing about it?  Secure out of the box.  Second best thing about it?  Documentation that is actually accurate, and useful - which is better than you will find for Solaris or Linux.

Postgres - easier to administer, takes less system resources.

OpenACS 3.2.5 to start, then when OpenACS v4 comes out jump to that.