I'll defer to others on the pocketmac question. In the meantime, you should take at look at Main Page - BlackBerryFAQ and Main Page - BlackBerryFAQ.

You really should get an use a media card. You will quickly use up memory on the blackberry and run into troubles if you start adding music, images etc.

Also see http://www.blackberryforums.com/gene...ee-memory.html.