Amazon just sent out emails notifying all existing Nikon D5 pre-orders that they will be receiving a free a Sony 32GB XQD memory card. Amazon also has a new D5 listing with the free a XQD card offer.
B&H and Adorama both have the D5 listed with a free XQD card and a free XQD card reader.
Here is the full text of the email:
Hello,
We’re contacting you about your order for the Nikon D5 XQD Camera Body. We recently learned of a promotion where customers who pre-order this item can receive a Sony 32GB XQD Memory Card at no additional cost.
In order to ensure you’re able to take advantage of this promotion, we’ve added a $109.95 promotional certificate to your account. This amount will automatically apply when you buy the memory card shipped and sold by Amazon.com. You can find the product listing here:
http://www.amazon.com/dp/B00UH2SAL2
We value your business and hope to see you again soon.
Sincerely,
Customer Service
Amazon.com
Here is a comparison between the different Sony XQD memory cards: