Last time on let's-speculate-about-Apple-products, the New iPhone rumor mill dug up dirt on video chat and a 5 megapixel camera. Now, it appears there might be one more reason to call it the iPhone HD. MacRumors reports that the iPhone SDK 4 beta includes the value "AVCaptureSessionPreset1280x720," leading some to believe Cupertino's next phone will record video in 720p. Mind you, the iPhone 3GS was technically already capable of that feat, so this might not have anything to do with a new handset, but honestly, at this point the iPhone's ca
