Less elaborate than the same-named cases for the iPhone and iPod classic, which both include belt clips, Speck's new TechStyle-Classic for iPod nano 3G ($20) is a black leather case with integrated screen and Click Wheel protection. Interestingly, the Click Wheel is covered with leather -- a rarity in leather case designs. Lacking the belt clip and holster features of the more expensive, bulkier versions for larger Apple devices, this edition of TechStyle-Classic…
