A lot of people seem to have good luck with the whole use a fake address thing.
Or you know, you could ask someone to buy it for you. Someone who has no interest in the game whatsoever. :P
I prefer to play by the rules when it comes to digital distribution. If I have to ask for someone then, I'll be on the same boat I am now. The only service that sells me DA:O Ultimate is Origin itself, but at a higher price and their sales are too weak.