Hi my answer is a little bit more radical, my weight is 68 kg 174 in height.
so it`s hard for me to obtain more from big sails.
Using a 6.8 when you use a 8.8, gives me another point of view about the right dimension of the board. In my case would you suggest the 122, the 111 or the 101 ?
I` m surfing since 1976 and know something about.