Sold in separate versions for the iPod nano, iPod classic, and iPod touch, Otter Products' Armor Series ($50) and Defender Series ($30) iPod cases are finally here. The Armor series replaces the company's earlier "OtterBox" name, but carries on the same drop-proof, dust-proof, and waterproof protective tradition with a hinged and clasped hard plastic and rubber case design. Defender loses the waterproof guarantee in favor of a splash- and drop-resistant…
