I am searching for a textual representation on UseCases which allows me to generate the graphs afterwards. Is there a tool, preferred open-source or freeware, or an eclipse plugin out there, which allows doing that?
I found a blog post on an xText DSL example for doing that magic, but it is not working anymore, so maybe there is more active development somewhere, or someone maybe fixed this already for newer eclipse version?

You can also enter all this information in the usecase at model level and then manually create your usecase diagram.
alt text http://www.forum-omondo.com/download/file.php?id=253&mode=view