That's with the screen, modem, WiFi and USB off. Modem probably wouldn't influence it that much though.
Oh, and that's of course on the 2000mAh battery. The final model is going to have a 3600mAh one :)
@dos The modem influences it based on how far away you are from a tower. The weaker the signal you have, the more power the modem consumes trying to broadcast a signal to the tower