OK - been out on the x-bow 16 a couple of times now.
Although I did find I could ride it in aprox 8 kts on a big flat piece of plywood- its is Waaaaaaaay more fun to ride in the 15-25 kt range (i'm about 195lb with shorty)
As everyone says - the depower is amazing and gusts are not an issue.
When the gusts come - jump sheet in and enjoy your flight.
Bottom line - for my weight and style (weekend warrior who just wants big floaty air) I would prefer a different kite for winds below 15kts.