None of these boards have a forgiving entry rocker at the front of the board.
If you dive your foil a bit to much you want a forgiving board to not pearl on you.
Good point. The Nugget and SP are pretty flat forward. I have seen that a lot of the racers in San Francisco are using them though. Maybe the added volume and surface area up forward is enough to get the nose back up?
I've seen a few racers using the Sector 54 also. It does look like it has some rocker in the nose: