Long time windsurfer (and semi-recent kiteboarder) James Douglass was one of the first to give it a go.
His comments after 2 separate sessions on the Airush Sector 60 -

"Very cool board. Lots of speed and upwind power in the lightest of wind, but still comfortable and maneuverable."

Kiter: James from http://www.jimbodouglass.blogspot.com
Location: S. Jetty in Ft. Pierce, FL, USA
Kite: Flysurfer Speed 2 12m
Kiteboard: Airush Sector 60
Conditions: 10-12 knots
Camera: GoPro HD with Helmet mount