Will this ever air in the U.S.?

Go ahead:

http://www.1channel.ch/tv-2732581-The-Real-Housewives-Of-Vancouver

Probably not but you can buy season 1 DVD here (I did and its legit, good quality, menus, etc.)

http://myjunksells.webs.com/apps/webstore/products/show/3049022

Sesson 2 I watch on my comp or iPad but I stream it on Apple TV so it's like I'm watching it on TV.