Those who follow Nokia know that its phone lineup is divided roughly into three segments: the Nseries, populated by high-end, media-heavy smartphones (plus the N770, N800, and N810 tablets); the Eseries, concentrating on business, and the four-digit line, which acts as a catch-all for anything not deserving of an Nseries or Eseries designation. It looks like Espoo could be prepping to add a fourth line into the m
