oh and btw even if its older:
here is also one of those breed type of fast-motoring-sailboats:
POWERSAIL NEW ZEALAND - Innovation, Technology and Passion
but while the powersail looks like a real sailboat (2.3 t ballast on 3.3 m draft plus 2 x 1.48 t water ballast) which just happens to have an very powerfull engine on board plus a retractable drive system, the sailjet looks more like a motor boat...
specs of the powersail: