The wheel reinvented?
Isn't this ( www.powsurf.com ) pretty much what Dimitri was doing back in the early 70s (especially their "Powder Shark" line of swallowtail boards)?
Utah Windsurfers, Kiteboarders, and Snowkiters Association
http://www.utahwindriders.com/forum/
http://www.utahwindriders.com/forum/viewtopic.php?f=4&t=10666