In just read this press release from Nacra Europe:

"Performance Cat USA has let us know that the new Nacra F18 infusion will not be shown at Paris boatshow, Salon Nautique. The reason for this is that Nacra international wants to show the final production model of the F18 infusion and there were only some cosmetic details being finished up on the decks. After several months of sailing, Perfomance Cat wants to deliver the best product available and will make sure that when the boat is standing at a International show that the boat shown is the real thing."