Convergence 2010 Atlanta, the premier Microsoft Dynamics event, offers "a unique opportunity to network with your peers, partners, Microsoft team members, and industry experts together to share ideas and knowledge—all in one place." For more information and registration details, see the Convergence 2010 Atlanta site.
Also on this site, check out the Session Catalog to find the latest and greatest information about sessions, roundtables, workshops, labs, and interactive discussions. You can filter on the Microsoft Dynamics NAV track to see all things NAV-related.
Hope to see you there in April!