If you’re not sick of Convergence 2007 coverage yet, Smarter Clicks has additional coverage from a GP/CRM/integration standpoint at
http://www.smarterclicks.com/2007/03/users-want-more-integration-from-ms.html
More Convergence 2007 Coverage
Archived post from 2007. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.