I don't know about the hardware Nook's, but B&N has launched their Windows 8 app in 32 countries and 21 languages. Might be of interest to some.
Announcement Link
Country (Language) list:
Australia
Austria
Belgium (French)
Belgium (Dutch)
Canada (English)
Canada (French)
Czech Republic
Denmark
Estonia
Finland
France
Germany
Hungary
Ireland
Isle of Man
Italy
Latvia
Liechtenstein
Lithuania
Luxembourg (French)
Luxembourg (German)
Malta
Monaco
Netherlands
Norway
Poland
Portugal
Romania
Slovakia
Slovenia
Spain
Sweden
Switzerland (German)
Switzerland (French)
Switzerland (Italian)
United Kingdom
United States