Just saw while surfing-Harry Potter Steelbooks deal of the Week-under 8 EUR:
http://www.amazon.de/Potter-Weisen-1-Disc-Steelbook-Blu-ray/dp/B001QOQH06/
Chamber of Secrets:
http://www.amazon.de/Potter-Kammer-Schreckens-Steelbook-Blu-ray/dp/B0027X4LEO/
Prizoner of Azkaban:
http://www.amazon.de/Potter-Gefangene-Azkaban-Steelbook-Blu-ray/dp/B0027X7W22/
Goblet of Fire:
http://www.amazon.de/Potter-Feuerkelch-1-Disc-Steelbook-Blu-ray/dp/B002IC1DC2/
Order of the Phoenix:
http://www.amazon.de/Potter-Ph%C3%B6nix-1-Disc-Steelbook-Blu-ray/dp/B0027X6X5Y/
Half-Blood Prince:
http://www.amazon.de/Potter-Halbblutprinz-1-Disc-Steelbook-Blu-ray/dp/B0032T3KU8/
Under 10 EUR-Deathly Hallows Part 1
http://www.amazon.de/Heiligt%C3%BCmer-limited-Steelbook-exklusiv-Amazon/dp/B004FEEJ2M/
http://www.amazon.de/Potter-Weisen-1-Disc-Steelbook-Blu-ray/dp/B001QOQH06/
Chamber of Secrets:
http://www.amazon.de/Potter-Kammer-Schreckens-Steelbook-Blu-ray/dp/B0027X4LEO/
Prizoner of Azkaban:
http://www.amazon.de/Potter-Gefangene-Azkaban-Steelbook-Blu-ray/dp/B0027X7W22/
Goblet of Fire:
http://www.amazon.de/Potter-Feuerkelch-1-Disc-Steelbook-Blu-ray/dp/B002IC1DC2/
Order of the Phoenix:
http://www.amazon.de/Potter-Ph%C3%B6nix-1-Disc-Steelbook-Blu-ray/dp/B0027X6X5Y/
Half-Blood Prince:
http://www.amazon.de/Potter-Halbblutprinz-1-Disc-Steelbook-Blu-ray/dp/B0032T3KU8/
Under 10 EUR-Deathly Hallows Part 1
http://www.amazon.de/Heiligt%C3%BCmer-limited-Steelbook-exklusiv-Amazon/dp/B004FEEJ2M/