I am not sure if this is old news or not, but I watched or actually listened to the Episode 1 DVD at work the other day. It went all the way through and at the very end of the credits you hear darth vader breathing twice. It's soft, but if you turn it up you can hear it better. I don't know if this happened at the theater or on the video, but I did hear it on the DVD. I just thought since everyone thought it was cool to hear his breathing during the trailer that this too would be very cool.