Cedric , I have an 06 Vegas 14. Iam 100kg and ride an Airush 135. I use my kite in wind ranging from about 17kns to 30kns. At 30 I consider I am at the top of its range - hang time is unreal - I love BIG boosting.If you are a smaller bloke the 12 would be OK but the Vegas is not as grunty as the Rhi...