I believe Calumet have 'unofficially' had the new Velvia emulsion in for about a month now, as well as the new Provia 400x, which they took stocks of a few months ago. They're one of the very few retailers to even buy stocks of it from fuji.
I also heard whispers that 7day shop had ordered some too, but would need to verify this.
Best place to find out the most recent gossip on the matter is to visit
www.choose-film.com