All the major gadget blogs (i.e. Engadget, Gizmodo, etc) reported that the PRS-700 would see a firmware release shortly after the release of the 300 and 600.
http://gizmodo.com/5330083/sonys-poc...-wireless-next
Did Sony give them this information?

Everyone, please email
feedback@ebookstore.sony.com and put some pressure on them. I have.