Via Dave Musgrave, IBG is holding a 5 day Dexterity fundamentals course in Orlando, October 20-24th. Dynamics GP MVP Leslie Vail will be teaching the course, if you attend, make sure to tell her that I said hi!
Dex Training in Orlando in October
Archived post from 2008. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.