It's more or less a forgone conclusion that it will have LTE and a larger screen, but some pics of the casing (maybe) have found their way out.
Large Image:
http://www.engadget.com/2012/05/29/s...ody-tiny-dock/
http://www.macrumors.com/2012/05/29/...cetime-camera/
I really hope that tiny dock connector isn't another proprietary one, but I'm sure it will be. I didn't like any of my current iPhone accessories anyway.