I can confirm there's a Dutch Steelbook for Captain America also! it's the same as the German, French etc.
Bought it yesterday at MM Utrecht (29,99) likely it's a MM exclusive. I'll make some pics this weekend, my camera is broke atm.
Release Date: October 7th, 2010
9/29/2010 pics added, used with permission of our own member, "Masterblaster".
According to the German Blu-Ray forum I follow, there was a posting by someone that contacted Concorde, and was told that Media Markt would be getting a limited run...