Based upon the previously released Top and Top SP Holsters for iPhone, Vaja's new Top SP Holster for iPod touch ($80) is a premium leather flip-style reinforced case that's custom made in your choice of two of 39 total colors: one for the body, the other for a racing stripe that runs down its center. The major differences between the iPod touch version and iPhone predecessor are the new model's slimmer body, and slightly enhanced rear protection,…