You might have noticed that I'm not updating this thread regularly, since one can look up the news at the links given. However, as an important milestone is reached, you might want to look at this:
http://vimeo.com/114590258
For people who are restricted from accessing Vimeo or YouTube:
http://publishing-systems.org/odt2all2_workflow.ogv
The video shows how several semantic (= template-based) OpenOffice/LibreOffice documents get converted into various output formats automatically.