Zavvi are releasing the Back To The Future films as Steel books next week as Zavvi exclusive, each film will have it's own steel book or you can get trilogy as one whole steel book available to pre-order next week.
Disney are releasing each of six Star Wars films as steel books and available for pre order this friday on zavvi won't be bothering as art work is nothing special skis the blu ray boxset set of all 6 films is being released under new packaging it's exactly the same as the previous release no extra content just different art work again pre order this Friday on zavvi
Amazon are selling the Star Wars steel books a little cheaper then zavvi at £19.99 each
Zavvi are also selling X-Men: First Class and Wolverine Origins blu ray steel books for £10.99 each, me personally I ordered First Class.