In December Square Enix are releasing a blu-ray of the NieR concert that happened in April. Price is 4800 yen (before tax).
You can find links to order it here http://www.square-enix.co.jp/music/sem/page/nier/livebd/
You can find links to order it here http://www.square-enix.co.jp/music/sem/page/nier/livebd/