The European Commission has released a very interesting document that addresses a lot of the issues with exercising the free movement rights of EU citizens and their EU and non-EU family.Brussels, 13.7.2010
COM(2010)373 final
Reaffirming the free movement of workers: rights and major developments
It covers all sorts of cross border issues, including legal footnotes.
A worthwhile 18 page PDF read!
http://ec.europa.eu/social/BlobServlet? ... &langId=en