First Press Release LE/NE are still available in YesAsia
http://us.yesasia.com/en/PrdDept.aspx/code-j/section-music/did-97/pid-1004318801/
For CDJapan, only NE First Press Release is available. (Don't forget this supports them in Oricon Chart)
http://www.cdjapan.co.jp/detailview.html?KEY=JACA-5042