I've put together some notes to summarize the port of formulator to Zope 3 at: http://dev.zope.org/Wikis/DevSite/Projects/ComponentArchitecture/Zope3Formulator Jim -- Jim Fulton mailto:jim@zope.com Python Powered! CTO (888) 344-4332 http://www.python.org Zope Corporation http://www.zope.com http://www.zope.org