It does, you can choose between numerous currencies.
As far as this site being a scam...
Seems pretty good to me. Just talked to a buddy of mine who preorders regularly from them, not a single problem (I specifically asked him about preorders). Keys arrive promptly, on your email, just like many other sites (GMG, etc.).
If they had a shady past, well...there's nothing I can do about it, can I?
I got two amazing games for day one preorder and frankly I don't give a damn what's the site about if I get my keys that I paid for fair and square.
Besides, I'm pretty sure that if they aren't legit, they would have been closed by now (by pubs, PayPal, or whatever...).
Just my $0.02.
But everyone is free to choose the store they want to.