I think the JP Slalom IV 84 is something like the Isonic 131, not ?
How does the 9.5 MKIII perform in overpowered conditions ? Enough control ?
The lighter weight will indeed facilitate the pumping, wich one always need in light wind conditions, that's true.
So you're also fan of the Superlight. Big discussions have been going on about this board on this forum. Probably, you've read them.