Update
800700tran actually called me yesterday and left a message with our answering service.
I called back today and got Anna (I think). She said she was going to do whatever she could to get my valve body out by Friday, but I canceled the order anyway.
According to Anna, they were closed during the holidays and then she was in the hospital. By the way, "they" are now known as Affordable Transmission.
She seemed relieved when I canceled the order; I don't think there was a conscious effort to rip me off, sounds more like they're having trouble staying in business.
That's a shame, but I don't want it to be my problem. There's a Transtar outlet here in Pittsburgh and I can get a VBX valve body there next week; no shipping and I can inspect the unit before I buy.