Rick, the square head on the Getaway looks like it extends father out than the Wave's head. Additionally, the bottom of the Getaway sail extends out farther than the Wave sail yet the bottom of the sails are approximately the same length. The Getaway sail juts out above where you attach the sheet while the Wave sail goes straigt up.

I was thinking that the shape of the Getway sail, if you could take out 5' from the middle would give the Wave a sail area of 25-30 additional square feet.

I don't know anything about sail design but for the sake of education, how much difference would 30s.f. of sail area make on a Wave?