From earlier in this topic;

Originally Posted by Lar_q
Also, I just opened up the retail version for both PC & Xbox360, meaning that retailers should be getting them soon too, at least in Western Europe, Canada and Australia.



From Can not find it for sale in Canada

Originally Posted by Lar_q
The US is a pretty complicated market nowadays for independent developers. At least the PC versions are now available digitally (www.larianvault.com would be a good place to get it ;)), but we're still working on getting X360 versions distributed in the US. It'd be a real shame not to, since we feel it's really a massive improvement, so we'll keep on trying.