Are you going to TechEd?  Do you want to make sure the room is big enough for the session you want to see?  Then go to the Content Catalog and register for your sessions!

Content Catalog

By registering for your session you help us to make sure we put the sessions in properly sized rooms!

Microsoft TechEd. Hands-on learning, deep product exploration, & countless opportunities to build relationships with a community of Microsoft experts and your peers.