Have flown my Talon UL in 14-15 mph winds, and it has survived long gusts of more than 24 mph (talking several minute long gusts). But I definately think that it performs the best in 4-8 mph. More than 10 mph, I would stake it down and put up a standard. (If I had one. If all things go according to plan, in the next 14 days I will have a standard, oh joy.)(Though my standard won´t be made by Mark. Hope I don´t regret that.)
The above not to be understood as it is´nt much good above 8-10 mph, I just feel that it performs best below that. But what a great kite it is, and I am thoroughly happy, that I decided to order one.
Ps. I would´nt mind owning a Gemini UL though, or DSUL ( that one
looks nice), or a host of other kites. Would´nt trade my Talon UL for any of them, though.