Updating the company's earlier two-tone rubber case designs for iPhones and iPods, iSkin's Duo for iPad ($50) combines a black front bezel cover with a colored side and back skin, seamlessly molding the two rubber colors together. The front texture is a distinctive though dust-gathering collection of tiny circles, while the back is substantially smooth, interestingly tapered for a graduated color towards the bottom, and accented with microdot grips…
