Amazon's New Kindles Sell Out in Just Five Days - DailyFinance: "If you're looking to buy one of Amazon's (AMZN) brand-new Kindle e-readers, you're going to have to wait a bit longer. Just five days after announcing a new $189 Kindle 3G model and a $139 WiFi only edition, both devices have sold out, and anyone who pre-orders now won't get one in the mail until Sept. 4, a week after the original ship date."