Don't be so quick to file this one under "duh!" -- Amazon's added a whole lotta sweetener to its usual smartphone-for-a-penny pot. If your frugal heart's been holding out hope for a discounted drop of the high-end mobile goods, now would be the time to pounce. The Seattle-based web retailer's wireless arm is throwing every phone from Sprint, Verizon and AT&T under the $0.01 umbrella for a limited time. Starting at midnight tonight (PDT) and running until the 28th, you can snatch up a Galaxy S II Skyrocket,
