I too had ordered the wastegate from ATP Turbo on September 4 and have had no news regarding future availability. I figure I'll just let my order float around in their system in hopes that if they manage to get a part or two in sometime it'll be at the top of their list.
I'll let everyone know right away if it ever arrives. In the mean time, thanks to all of you looking hard for viable alternatives. There's a lot of options out there and I'm sure one of them will work for us.