We have seen most customers are going to the store before it opens to see if we have received shipments. Most often we seem to receive shipments on the weekdays. I'm unable to promise when we'll be receiving any new shipments or offer when to expect a shipment will be delivered, but it seems that most have success going in the morning before we open.
Our voucher/limited availability information can be found at: https://community.microcenter.com/discussion/7909/limited-availability-product-launch-faq
@BESHLO just chiming in. Yes take a look at the FAQ @Ian shared. Below is also a post from a community user sharing what they did on a release date for a GPU. It wasn't the Tustin store, but our New York store. It may give you additional thoughts along with the FAQ on how to possibly proceed with the Tustin store. You can always visit the store in person today before 9pm to inquire what time Tustin suggests for you to show up Friday morning.
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