Mix: iPod back, Duke, Walkman, DRM

 An interesting video of a Japanese news report on the making of the iPod's stainless steel back has been posted online.

 Duke University has posted several examples of how some classes are using iPods.

 Sony has announced yet another iPod rival — the new 20GB NW-HD5 Network Walkman will come in silver, red, and black for $375.

 Silicon.com says consumers and not legislators should decide the winner of the DRM battle.