I am 67 kg and love my Cults. I have the 6 and the 9 thats all. The 9 starts very early (14 knots is plenty), it could be a faster turning kite, but i like it much more than my old Boxer SLE 9. The 6 is realy nice, turns fast, the downside is that i have to depower on the trimstrap when wind gets up around 30 knots, no need for that on the old Boxer 6 on 2:1.
What i realy like about the kite is its ability to turn well when depowered, and that it drifts realy well when riding waves. My next choice if i was not riding Cult would be SS Rev or North Rebel 08. SBIII has to much low end for my size
The boom is in my opinion the cleanest and best designed of all brands this year. I am looking forward to adding a 4.5, so my kit will be 4.5, 6 and 9. I love the 6-9 combo because they cover such a huge windarea, the downside is that the 9 is a bit slow, the only reason i would get a 7.5.
Live in Denmark, think our price is quite good especially if you can get it tax free (25 % of) The 6 is around 900 euro. www.nautic-surfogski.dk/Kitesurf/Shop/Kites/