Developed by case maker Evouni, which blends Japanese design sensibilities with the lower cost structure of Taiwanese manufacturing, the Leather Hard Case ($35) and Nano Fiber Pouch ($35) offer interesting spins on case designs that we'd otherwise write off as me-too. While the Leather Hard Case is really just a plastic rear shell with a faux leather exterior coating, the diamond textures chosen by Evouni are sophisticated and clean, with a small…