it doesn't make any sense for Apple to adopt the USB3 standard when the form factor of the connector itself is thicker than the MacBook Air, and the bodies of all their other laptops.
something better and smaller will come around and it will be the way.
The computer ports would remain the same size. 3.0 peripherals would have the thicker port.
Why are there so many posts about "hoping for hdmi in the future lineup"? Isn't DisplayPort a more advanced interface?
Not many companies support DisplayPort. Go to newegg and search for DisplayPort monitors.