in the mean while ive done some research ...
few things that came out of this...
>>> looking for a cms / framwork / platform that could easily be turned in to multible websites while retaining a single code base, featuring at least: forums, wiki's, articles, and other webstuf of minor importance like polls gallerys etc. - this 'plaftform should be independant of zentyals main site and server (mainly for safety reasons, and stability of the main site (dont trust external users, not even me). ).
contestants are
>> joomla - easy to manage, widely used, but poor wiki intergration, and poor code quality, for large sites.
>> drupal poor module intergration no wiki, easy to code with, bad for large sites.
neither of witch could eventually pursway me to try them on a larger (than homegrown website). scale..
but than i came across tikiwiki wich i remembered only because its funny name ... and a few reviews on a dutch techsite. this whas my first attemt at it and it actually seems to be quite ok..
it features build in wiki, forum, photo albums, articles, review sections, polls and dozens of other features. its updated frequently and deserves a try... it can even authenticate agains an ldap db. so SSO may even be possible..
...
will be starting translations when a few minor things have been discused in the dutch sub-forum.
/ichat out.