Bandai just launched the USA / Canada website for Premium Bandai. The website started listing Metal Build Gundam, Robot Spirits figures and other Tamashii webshop exclusive merchandise!
The webshop are in English texts with and it's only available for USA and Canada residents.
Official link: https://us.p-bandai.asia
A launch promo discount is also available. When you purchase a product from April 29 ~ 30, 2017 you will get a $20 off discount from the shipping fee!