I also just bought the EVO 80 2007. The fin that followed the board is 23 cm. This is way to small for carrying 5.7 ?? Im 82 kg. What fin should I buy to use with 5.7? 25 cm. I used a 27 cm fin for the 5.7 on my old JP FSW 83. And I thought this was perfect for 5.7 and also 5.0 in marginal condition. Should I go for a 26 Natural wave fin?