I have been using a very simple installation based on the 2.07 release for exchange and discussion related to documents for course development purposes. I have expert committees and course developers. The developers write the document, put it into KnowledgeTree (KT) and committee members 'view' and 'discuss'. At a certain point in time the developer will 'checkout' the document and update then 'checkin' for further review discussion, etc. [The quotes represent workflow functions in KT.]
The current version has been working since September last year, and the users are very happy with it. I have played with the 3.0 release of KT, and plan to use it in the future, but for the time being I have decided that it does not offer anything substantially worth having - and I'm fearful that productivity will drop if the nice stable and familar user interface that is working well changes.
I did have some initial problems with the installation (mainly the .htaccess files and
database permissions), but with a little bit of help from my web
server host technical staff resolved things and haven't had to touch anything since. I'm not using the special indexing and maintain a watch on the logs which can get big. So in short I'm very happy with KT and will continue to use it.
Hope this helps you Martin, regards Richard.