I know that this was discussed already billion times, but everytime idea of having end-user documentation hot to use OpenACS/dotLRN stucks somewhere in the middle. Here is another try to push thing.
AIESEC has recently released it's own version of help pages for users of AIESEC systems. It briefly covers majority of dotLRN portlets that are used most often. Of course these materials are heavily based on OpenACS version used by AIESEC.
Currently all materials are presented as simple ADP pages. My idea is to have them in the form of wiki, so that users would be able to add missing parts and update already existing ones. I was trying to use ETP, but it is not enough flexible and user friendly as it is out of the box.
As it was already mentioned in someones postings before, it would be really great to have documentation for end users included with every OpenACS/dotLRN installation would it be in the form as pages in .../www/help or as a separate package which would be optional (but very recommended) to install.
It would be wonderfull if you could share support materials used by you or your clients, and build comprehensive documentation.
Meanwhile you check what does AIESEC have at http://aiesec.net/support My Account & Communities Learn section
Romas