You can buy the OnePlus X in North America today (but only if you have an invite)

[cdmagurus.com]

If you're lucky enough to be the owner of a OnePlus X invite, you'll be happy to know you can now buy one in the United States and Canada. It's running for $249.99 before taxes, and you do get a pretty decent smartphone for that amount.

More... (http://phandroid.com/2015/11/19/buy-oneplus-x-north-america-us-canada/)