http://uk.pc.ign.com/articles/108/1081874p1.html

Apparently, the usb drives were sent from Maryland, which is where Bethesda is located. Could these be a teaser for Brink? Fallout: New Vegas?

Already a thread on topic here: http://www.gamesas.com/index.php?/topic/1085588-mystery-usb-drive

Followups to that thread, please.