Thing is, for us (and likely many of you), they last far longer than our clinically-diagnosed Gadget Attention Deficit Disorder would ever tolerate -- but for your dad, your sister, your college buddy with the hand-me-down ZEOS Pantera running Windows 95, or anyone weary of re-upping a two-year commitment, a handset can easily become a serious long-term investment.

ENGADGET: Nielsen stats: a lot of iPhones out there, but also a lot of everything else