- Always on, Always connected
- Low powered mode
- Kinect sold with every console, wider FOV, no motors, better tracking
- Kinect is required to be plugged in
- Low latency controller with “improved ergonomics”, simplified interaction with console OS
- Bluray drive
- All games must be installed on HDD [you can start playing few secs after installation starts], game data streaming from optical disc not supported
- Only digital audio out


How about a link to back all of this up?
All complete untrue as now confirmed by
VG247.com.
“Starting with the thorny always-online issue, the source stated, “You are not required to be connected to the internet in order to play Durango games and MS were NEVER considering doing such a thing.”
“t each new Xbox 720 rig will ship with an Xbox 360 SOC for backwards compatibility. The 360 chip-set is also said to boost the console’s overall speed and performance.”
Google “Xbox 720 not “always-on”, runs Windows 8″