Finally, the iPod classic ($30), iPod touch ($30), and iPhone ($30) versions of one of the coolest-looking iPod nano cases -- Speck's ArmorSkin -- have arrived. Each version is a little different from the others, with the iPod classic version having the most in common with its nano predecessor: classic comes with a hard plastic front shield, a grid textured rubber back and side casing, and an insert to make the 160GB classic-sized case fit the smaller…
