I'm purchasing a Slingshot foil for my Slingshot Dialer 130L board Monday on my day off. Last Chance on any more advice on these 2 wings, the i76 and i84. I'm on a lake, fresh water, want to go on light winds around the 9-15 mph range for now, and getting the Gamma 68 for windy days once more experienced. I'm 170 pounds, 5'11" tall. My shop is steering me towards the i76, based on the same info I'm sharing here. I'm hearing the i84 isn't enough difference for early lift for non heavy riders than the i76 to really notice. The i76 is faster, stall speed is higher, less drag than the i84. So should I go with the i76 or i84???