For some, a gadget case is just a means to an end: a way to protect their latest toy from bumps and scrapes. For others, they're a means of self-expression, enhancing the ownership experience and significant in their own right. Aligata's Nippon and Perfect Black cases fall resolutely into the latter camp, natural grain leather folios that make a virtue out of their unique finish. Are they the top choice to clad a precious iPad? Check out the full review after the cut.