Where, when and how to get iPhone 4

Pre-orders for iPhone 4 start tomorrow, and demand will likely be high. That means you should figure out where, when and how you’ll be getting your hands on the next generation iPhone. Pre-order or drop day? Online or retail? Delivery or in-store pickup? Black or white? Past the break are the details for Apple, AT&T, Best Buy, Radio Shack, and WalMart.