Speck's HandyShell for iPad 2 ($55) is the latest iPad case we've seen with a built-in kickstand, and it's a pretty cool implementation. The TPU and polycarbonate shell fits around the tablet, with cutouts for the Dock Connector port, speaker, rear camera, microphone, and headphone port. Both the volume rocker and Sleep/Wake button are covered. On the back of the case is a fold out oval-shaped handle that doubles as a stand in both portrait and…