As updates to its earlier case products, Agent 18's new EcoShield ($25) and FlowerVest ($25) alternately offer a hard, recycled matte plastic shell or a soft, flower-laden rubber case to protect the second-generation iPod touch. EcoShield is a two-piece, snap-together design with an included screen protector and Universal Dock Adapter, offered in three colors, while FlowerVest is a single-piece design with the same two pack-ins, offered in two color…
