Made from high-quality leather by France's Noreve, the Tradition B case ($43-53) varies in price based on the type of leather selected; the soft, suede-like version shown here is the more expensive one. Sold in 15 colors, Tradition B features an open face for use with the iPhone's touchscreen, but doesn't include screen protection or other pack-ins. A magnetic rear clasp -- apparently warned against for some reason on the iPhone 3G -- holds the top…