I think the reason why Shameless has stuck to Italian films so far, is that they had/have access to Surf's film library which contains a whole host of Italian cult films, plus also Italian cinema is certainly popular with cult film fans (me included!)
I expect they will release films from all over the world eventually; remember they still are a young company (less than 4 years old).
I, for one would love to see them tackle some Spanish horror - in particular some of Paul Naschy's extensive catalogue.
