Brian very clearly says, both in another thread and right there on the page you just linked, that he will only send emails to the requestors as kits become available.

Remember he has to hand-cast these things, it's not an assembly line. I have no idea how he does it, it must be a labor of love for him, there's no way he's turning a profit or even being compensated for the time he's putting into it.
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Tony Fabris