If US price is $50, then I wouldn't be surprised to see it at $70 up here.
At that price, I may have to have second throughts.
As for 100th Luke, I can't quite remember, but I think it may have been $50CDN + tax, something like that. But since this is Darth Vader, I'm sure he'll command more than that. Of course, I'd like to be wrong about that.