It worked for me, and I'm in The Netherlands.
Not sure how this holds up in other countries, but I've done my fair share of research before ordering and I've seen a lot of positive feedback regarding this topic.
I take no responsibility should you have to pay tax tho But even if you had to, it would probably still be cheaper than buying one when it comes out in your country.
If I were to buy one, I'd get the Australian version anyway.
I don't give a shit about GW, I just want muh homebrewz and the few games I bought/will buy.