Originally Posted by NJBlackBerry
I would start by reading the Sticky Threads at the top of the General BlackBerry Discussion group. A lot of work has been put into them to help people get started...
In particular, I would recommend Mark Rejhon's FAQs and the threads linked thereto. If you want a roadmap to understanding the BB, I think they're a great place to start. I say that based on personal experience.