iPhone 4G: Spy pics?

So the story on Endgadget is someone left their prototype iPhone at a NorCal bar and there are pictures from a prototype iPad at an Apple testbed which shows the same unit.

I'll let you decide but Engadget has the scoop (they rock):

Engadget's iPhone 4G?!? 

iPhone 4G Proof?

UPDATE: Gizmodo did a more complete inspection and this looks like the real deal:

http://gizmodo.com/5520164/this-is-apples-next-iphone