The most experienced F-18 sailors in OZ race the tigers. At the Worlds just gone, if you take out the paid pros... The manufactures list is very open with the Capricorn showing very good speed. Many including Gashby / Bundy believe that the Capricorn, with equal sailors on board are the quickest of the F-18s.
We also have a new home built F-18 in Oz built by Mark Laruffa. He calls it the "Predator"