my email yesterday to AMX:

"Thank you for your reply.

Can you tell why there is a delay in availability? I thought they had already been approved."

and the AMX reply to me this morning:

"Good morning xxx. It just takes a little time to meet demand, that's all. We should be ready soon.

Have a great day!"

AMX Customer Support

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not a very informative answer, but that's all i've got.