Hmmm...$200 huh, well you could buy some cranks and maybe some handlebars,... its a start
If you want anything thats gonna hold up your gonna be looking at more than $200. If your just starting out like you said, buy something cheap as hell from Wal-Mart, bring it home, tighten some crap up and ride, this way if you wreck it, at least youll know if you want to continue with the sport, and what parts you beat on the most when you ride, then save up your bucks and get a decent bike. lookin at at-least over $300 for a decent bike man.