With WindFoil, America's Cup and Sail GP style cat's all convergin, it seems T-Foil is te winner.

Now to upgrade to all titanium....
Canada F50 breaks SailGP speed record in San Francisco T-Foil testing | SailGP
sailgp.com/news/24/canada-f50-breaks-speed-record-san-francisco-t-foil-testing/