The 590 will not fly well or at all with sea grass on it. The 633 keeps going with sea grass on it. This has saved many late season sessions for me, when we now have a lot of sea grass
agree the 633 and 683 work well with weeds and white water but the 483 stabilizer catches all kinds of weeds wish it was v shaped too as it's relatively flat anyway. Thinking of trying stabless with the Onda wings (anyone else try it yet?) I think the 683 is the best compromise for kiting freeride and waves I have the 637 and it's fairly easy to ride but not for learning or first rides.
Unfortunately 483 stabilizer collects all the grass. I hope they make more arrowhead stabilizers too