I got mine from emailing concierge. They should get back to you with a purchase link, it's only good for an hour I think. Check your spam just in case. I would stick with the email since they said they would do the pre-order. Just reply to that email chain and ask for the link, don't be shy!
I do think at a certain point they stop pre-orders when it gets closer to the release date.
OMG I don't think anyone there wants to help me! I just got a reply from the concierge that they are unable to accept orders for it. I don't understand I'm practically begging them to take my money and they won't