There is a press release out on the German release on the 24th, you can find a copy here: http://www.rpgwatch.com/show/newsbit?newsbit=12586
The press release is in German, but the important bit is at the top in English anyway.
German PC version: July 24th (standard & Collectors Edition)
German XBox 360 version: September
English PC version: September
English XBox 360 version: September (This is an assumption at the moment)

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