For those looking for the very slimmest type of semi-protection while still maintaining a degree of personalization, United SGP has released its Skin Guard for iPad 2 ($20). Available in a black faux-carbon fiber pattern, brown, black, or white faux-leather, Skin Guard is a sticker that covers most -- but not all -- of the back of the device. The shape is kind of odd, with a recessed area for the speaker and a bump around the camera rather than running…
