I have recently written a blog post asking for example use cases for semantically enhanced CMSes.

The post is at http://grep.codeconsult.ch/2009/03/10/looking-for-use-cases-for-a-semant... , a few people have commented with additional ideas.

Robert Burrell Donkin, a fellow Apache member, wrote a response with a more detailed use case at http://www.jroller.com/robertburrelldonkin/entry/semantic_content_reposi...

This could be useful in our talks about use cases.