The first volume of High School of the Dead is getting released by Proware Multimedia on October 12th. It comes with an artbox (it should the 1 of 2) that holds 2 keepcases. Japanese audio with Traditional Chinese subtitles (that can be turned off).
High School of the Dead, Vol.1 w/Artbox
學園默示錄 VOL.1 Blu-ray Disc+收藏盒（2片裝）
長度：本篇 約72分 (收錄3話)
音源：日語發音 LPCM 2ch