Among the handful of cases Sena Cases is now beginning to offer for the third-generation iPad, Florence Portfolio ($120) is certainly one of the standouts in terms of originality and features. The basic setup isn't anything totally new; the leather holder is a thin folio case with cutouts for the buttons and ports along the back and side, and a snap to hold the front cover shut. Opening that lid reveals all of the extras, which include an ID pocket,…
