Research - research - research.
Blackberrys are mainly used for email - - and can run many applications.
The 8100 (pearl) is due out on Tuesday from Tmobile. It has those features you mentioned.
BlackBerry 8100 link
However, a BB may not be for you. You may want another smartphone that runs windows mobile 5 OS.
Take the phone back to the store where you bought it. Most providers have a 15 day trial period.