Apple has released a 20 minute video tour of the iPhone. The video very much explains why you should be standing in a line on the 29th outside a AT&T store. In related news, Engadget managed to smuggle out some freshly leaked details from a very trusted inside source who's been fooling around with a unit. Here's what they had to say:

• The keyboard was simply described as "disappointing". Keyboarding with two thumbs often registers multiple key presses (two or three at a time) resulting in a lot of mistakes. The best way to type is with a single finger (as shown in most of Apple's demos), but two thumbs is supposedly very difficult. After trying it for a number of days our source gave up using their thumbs.
• The text auto-correction only works well for simple words, but doesn't work for proper names. We can only assume this bit will get better with time as Apple fills out its predictive text dictionary.
• "It won't replace a BlackBerry. It's not good for text input. It's just not a business product."
• The touchscreen was said to, in general, require somewhat hard presses to register input, and needs some getting used to.
• In addition to its dock, the iPhone comes packaged with a polishing cloth (the thing's supposedly a fingerprint magnet, no surprise) and the usual smallish power adapter.
• The Bluetooth headset will debut in the $120 range, and will come with its own dock for charging both the phone and the headset. The headset will feature a miniature magnetic charging interface á la MagSafe.