The Convergence 2007 session scheduler is also up. You can browse the sessions without being registered but registration is required to use the session scheduler.
This is really just a handy tool to help you deal with session overlap and figure out when you can squeeze in that nap.
Convergence 2007 Scheduler is Up
Archived post from 2007. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.