Heavensward digital pre-order on Amazon.com

[Wildsprite]

when I go to amazon.com and check the digital edition pre-order I get page with no ability to pre-order.
this is on the page.
Note: Currently, this item is available only to customers located in the United States and who have a U.S. billing address.
but I am located in the U.S. and have a U.S. billing address.
is the ability to pre-order just not there yet? or is this a problem I'm going to have to make a fuss with amazon about?

I should clerify.
on the pre-order page the blue square with the yellowish blue button to pre-order that is normally located in the upper right hand corner of the page does not show for me. it shows on the physical edition which I will consider if I don't see it on the digital edition in a day or 2.

note: I'm not going to post a link as it isn't hard to find it, if you wish to see if it shows for you please go to amazon.com and search heavensward currently they only show 2 listings, the physical one for PC/PS3/PS4 and the digital one for windows.

I would have ordered it on the SE store but I was givin an amazon gift card to buy it with >_>

update: the ability to preorder the heavensward digital non ce edition is now available on amazon.com as of 8:23 PM EST