Get one of the new Fits or Wethepeoples. Get the best one in your price range meaning: The smallest sprocket, 3 piece cranks, the more cromoly the better, 36 spoke wheels but if you're quite heavy and you don't trust 36 spokes, get a 48 spoke for your back wheel. Ride and have fun, wear a helmet, it gives you more confidence. Good starter tricks are: Footjams, Bunnyhops, Manuals...
