Asking a surfer to put a label on something like this is asking them to choose favorites, in any one of the categories. As these initial responses indicate, we all have our favourites for our own good reasons, look, performance, nostalgia, whatever.
If it is based on an artistic and engineering point of view, and not our own surfing favourtism, it would be really interesting to get some totally outside points of view on this subject. Outside as in people who have very little, if any, experience or contact with surfboards, and preferably artists and engineers, and why not housewives, accountants and polititians.
Put a range of designs in front of them, a good cross section of boards. Longboards, shortboards, guns, fish, stingers, zaps, fat penguins, Myerhoffer, etc, etc. Everything from wood, foam and composite, paint work and resin swirls, to accurately manufactured foils, pure lines and edges.
Then, with no explanation of the design, ask them to number them from 1 down, in each category, in order of preference. Even a range of picture perspectives would get a reaction. The results would be very interesting.