Smartphone fans are excited about yesterday's announcement of the Blackberry 9000, aka Blackberry Bold, aka Research In Motion's iPhone killer. But Blackberry users are a different breed than iPhone users--the Blackberry's reason for existence is always-connected e-mail, and Blackberry users tend to be all business, afraid of being out of touch for even a moment. (An old friend in Washington D.C.--where Blackberry users are legion--had to make a vow after her third child was born not to check her e-mail after 6 p.m.)