BEGINNER LIKE MYSELF? I CONFUSE WITH TYPE OF BIKES SHOULD I BUY " SPORT BIKE" OR " OLD STYLE CRUISER" FOR A BEGINNER LIKE MYSELF.. I HAD LOOK AT A FEW SPORT AND CRUISER BIKES THAT I REALLY LIKE FOR THE SAME VALUES AND EACH STYLE OF BIKES HAS IT LOOKS AND FEELS TO IT,, BUT DON'T KNOW WHICH IS...