It seems that a new limited turquoise colored version of the NNTA vinyl is going to be released on October 20th by Plain. Limited edition: 1000 units.
Price is $29.98 which is exactly the same price as the other colored versions already released by the label before.
Pre-order now by clicking this link.
[EDIT]: You can also pre-order at WOWHD. They offer free shipping in a lot of countries (and even possibly worldwide). You can select the countries by clicking the little flag up in the left corner.
Thanks to Andrea for the info!