You got me interested... haven't tried one, but I found a couple first hand comments:
http://www.nwkite.com/forums/t-26882-0-asc-34.html&sid=079a6d6020ace38b7efe401daca87481http://www.kiteforum.com/viewtopic.php?f=1&t=2376989&sid=bb70231b8e6c3e41f1d654ad72a637e9In a nut shell, shape is good for kiting (fast board), but durability is not. They are surf boards, not kite boards. No scratches and dings, but they buckle, delam and crack when jumped strapless. Also fin box failures are reported. Kiting is just a lot tougher on boards than surfing.