digg_url = 'http://digg.com/apple/iPhone_4G_proof_Engadget'; Well what do you know about this? With all those rumors flying around that the iPhone 4G we'd spotted was no more than a Japanese knock-off of an Apple product, it was starting to look like this thing was too good to be true. That is until one of the Engadget editors spotted what seems to be solid proof that this is -- in fact -- the next iPhone. If you'll recall, the night before the iPad was revealed