(NEWSER) - For BlackBerry users, the lure of the iPhone can be hard to resist, despite the Apple device's lack of a keyboard and AT&T-only service policy. The Wall Street Journal followed five BlackBerry users who switched to the iPhone and charted the highs and lows: All of them said they adjusted quickly to typing on the screen, though some said they were typing slower. Several complained about the iPhone's inferior battery life, and others wished they still had BlackBerry's IM service. More»