These new hard plastic shells from Incase offer an interesting hybrid of features we've seen in competing products. The iPod nano 4G version ($25) is a super-thin two-piece shell similar to SwitchEasy's new CapsuleSlims, locking together through super-small side clips, while the iPod touch 2G version ($30) is thicker, and very similar to Griffin's recent iClear case. Both feature transparent fronts and frosted rear shells; they will be sold in clear,…
