Less than 1 hour from now at 4pm PST additional BFBC beta keys will be handed out from the sites listed below on a first come first serve basis.
Check the sites below at 4pm PST
Planet Battlefield - http://planetbattlefield.gamespy.com/
IGN - http://www.ign.com/
Gamespy - http://www.gamespy.com/
Voodoo Extreme - http://ve3d.ign.com/
Team Xbox - http://www.teamxbox.com/