I chose in store pickup - will delivery date change?

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I purchased the new 13" rMBP 2 days ago and selected the option for it to be delivered to the store for pickup. The date originally quoted was 1 Nov for it to be available for pickup. I just checked the status of my order and it says it's already been shipped and is in transit to the store. Should I expect 1 Nov is still the date, or might I get lucky and it will be available for pickup sooner?

 

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Checked today, and the new "available for pickup" date is 31 Oct!