nsp for a little newgirl?

hey everyone! im 15 and got into surfing after 5lessons this summer. i LOVE it. just wondering whether an nsp board would be good, because ive seen one i love but im not sure if it's right for me. im 5' 9 1/2".. sorry if everyone has answered this already somewhere. also, can you get board racks for your car, how much are they and where would i buy one from? xxx