Switching from Blackberry to iPhone: the pros and cons [updated]

It seems like everybody wants an iPhone; or if you’re the Palm Pre, you want to be an iPhone. But the Blackberry line from RIM has a legion of devoted followers (many of them business professionals) who’ve grown attached to the device—and its interface—over the years. What challenges do switchers face? Katherine Boehret asked several people switching from Blackberry to iPhone to record the advantages and annoyances.