From what i gathered it's about (1 minute and 20-30 seconds) per gig or so to be downloaded to the HD.
PS4 Preordered - 06/11/2013 @09:30am
XBox One Preordered - 06/19/2013 @07:57pm
"I don't trust #XboxOne & #Kinect 2.0, it's always connected" as you tweet from your smartphone - irony 0_o