It's been a little while since we visited anything from Best Buy's Insignia brand, but this new tablet from the retailer just caught our (or rather a tipster's) eye. Called the Insignia Flex, it's a 9.7-inch, dual-core 1GHz, Android 4.0 slate that promises up to ten hours of battery life. As you can see, the design is unique enough to stand out from the crowd, with a squared off look, and an almost Xperia T-esque curve to the bezel. That's ab
