i am upgrading from 650 to 680 for free!, sent phone in to cingular and they offered to upgrade me for free!

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what is the best application for setting appointments, ...or is the one that comes on it good enough...also, i had ringo on my old phone (650), how can i get the pass key from the old phone...the only thing is the problem that was wrong with my old phone is that is that it wasnt turn on???? help..thanks in advance
--matt