Hello Martin,
Just noticed 3 kits on e-bay,don't know how to give you a link but I typed p 40 curtiss and paged thru U.S. sellers to International sellers and there are 3 of them for sale.one sellers address is g-gerba@orange.fr
If you do score a kit,heaven help you.
Good luck Smudger!
HappyHobby!
Cal