Not a problem. But don't repost it in another forum, or you'll get flagged for double-posting.
I used to have a 7250. I know I had pin and emails like you do. I thought I had texting. Have you checked with your carrier to see if your plan includes texting?
Welcome to the forums! For good, general information, be sure to check out the Getting Started Guide and the BlackBerry 101 Lecture Series under the Newbies tab at the top of the page.
You should have the option to sms. Go to messages click the wheel and should have compose sms. Can you receive any? If not you might have to upgrade your OS. What version are you running anyway?