Back in April, the Nook Color underwent a magical change of sorts: a software update that transformed the device from a color screen e-reader into an honest to goodness Android tablet. It was the company's first swipe at the space -- a backdoor approach that beat out fellow e-reader manufacturers like Amazon and Kobo. Its follow-up, the Nook Tablet, marks the company's first out-of-the-box shot at the consumer tablet market
