I just got this email!
Woot!
Thanks for pre-ordering Xbox One from Microsoft. We recommend double checking your order information to ensure you get your Xbox One on the day it's released.
1. Go to your order history and verify that your billing, shipping and payment information for your Xbox One pre-order is correct.
2. If you need to change any of your order information, call us immediately at 866-883-3754 and tell the Microsoft Store associate that you need to update your information for your Xbox One pre-order and you will be transferred to a group of associates who can help you.
We'll start processing orders on November 15, so please make any updates by that date to ensure delivery of your order.
Thanks for helping us deliver your Xbox One on November 22 and thanks for shopping at the Microsoft online store.
Woot!