sorry about delay.
i did write something before but kooky guy (me)didn't post it right obviously.
Kode 122 would be a fast blasting board that jybes and bump and jumps well, and would still not react too badly if there were some waves encountered to mess around with.
Non planing freestyle, not sure about rail rides, but light wind rig control moves for sure.
Maybe get a SUP 12'6 if you want to go the full retro light wind freestyle gig.
Actual freestyle, I'm not too much into freestyle myself, but I'm sure you'd be able to learn to spock on it or something like that.
Hope this helps