im 5'7, 135 lbs and im looking for an all round good short board and i want no taller than 5'8 how wide should it be, what dimensions fit me best?
You should go talk to a shaper. This way he can size you up and see your build/frame. Be honest with providing info on your ability level, goals, and kind of waves you want to ride with your new board. This is the best way to get the most out of your new stick.