Speck's first case for the iPad is an unexpected combination of two different concepts: its prior PixelSkin rubber cases for iPods and iPhones, and a purse. PixelShield ($40) is a cool rounded rectangular sleeve with a large iPad pocket on one side, covered by a flap, and a small rubber Speck logo on the back side. A handle on the short edge of the case lets you hold the iPad vertically while walking, with a suggestion from Speck that the iPad be…
