I don't speak very well Italian, but I think that most of arguments are explain in this video : https://vimeo.com/141009531
I'm also riding with this board (Icon flaxbiotek version) since mid-2015. I'm riding strapless since 2011, freestyle way because there is not much wave in mediterannean sea (but I love riding wave too
I really love this Icon :it is one of the most versatile noseless surf I have tried. I can do freestyle and surf in small/medium waves (over 2.5m I prefer riding a 5"11 surf shape). It is lightweight (about 3.2kg with rear pad and fins), so jumps and rotations are easier. I'm jumping a lot and the deck do not warp (ie bombproof ? not sure it is the good word in english...). I'm 1m75-70kgs (154lbs).
I have also tried Icon in south african and portugal waves , I was very comfortable to surf with it, it has good speed and accelerate quickly that is great in low end.
Friends who have tested it were very confident as soon as they ride with it, trying jumping while they were quite worried to jump with their own surfkite.
I have some video, if you want to see it in action (at my humble skill
) : https://vimeo.com/ridezebigone
In my opinion, Icon is maybe the best ratio price/performance/versatility !