G'day all, I've had my 9'6" X 30" 149L Atlantis Vex Profusion for several months now and I am wrapped with the performance of the board. The board comes standard with a 9" centre fin and 4 1/2" side fins (it has 5 fin boxes). I have had suggestions that I should part with some of my hard earned and upgrade the fins and I guess I'm interested to see how much the performance of the board will be changed. I've had no experience in changing fin arrangements other than moving the centre fin back and forwards in the box. From reading on forums etc. some of the options are :-

Gerry Lopez FCS GL-1 SUP - 5-Fin Set
Jackson Close JC01 Box Thruster
Stealth S9 5.25" 2 +1 Box Thruster Setup

Comments on the above and any other suggestions are welcome