kvda and Ola,
Thanks a lot for your answers. I think I am leaning toward the iS 111. The smaller iS 101 is too close to my Hi Fly 105 in size. I find that in my lake conditions, If I am out on windy day of 12 to 24 knots, there will be 5 knot holes and gusts to 26+. For me, 100 to 105 liters is the smallest size that I want slog on in the 5 knot holes (no sinking). 101 liters would be ok, but I have the Hi Fly.
I plan to use the 111 on days with 15 to 20 knot winds.