You do most of your quick improving over the first couple of years. You can outgrow a board midseason without even realizing it. Better to have a board with some room to grow into.
(I'm assuming the women's NS boards are as good as the men's. probably a safe bet.)
I told my kids, "Someday, you'll have kids of your own." One of them said, "So will you."
-- Rodney Dangerfield.