www.blackberry.com -
http://www.discoverblackberry.com/de...vId=H0,C65,P77 for the 7290.
Check out the Blackberry 101 for the 7290.
Give it a few more days. They say it takes about two weeks to get comfortable with it. It took me about that long till I quit fighting it and accepted its limitations.
But in the end, trust your gut instinct. If you're not happy..don't take a chance on getting stuck with it. Take it back and try something else.