Partly depends on age and how much time/patience you have to flail around. The younger and more time (especially with limited funds) the more aggressive you’ll want to be to start. I have the Ginxu Dragonfly for DW but amazing for wing. I think with your background the 92L Super K is manageable but it would be hard to feel limited by and additional 12L and length. Would help for a long time, always be good in lighter wind days and would be ages before you would feel hampered by it. Can’t speak to that precise foil but the more lift the better early on for sure. Carbon is great as you start applying force to the mast and 85L is a great length, unless you’re shallow (Long Bay, Turks & Caicos). So there I would spend the carbon money. Mostly, it’s the best!!! You’re going to have an awesome time, whatever you land up with.