Infinite Stratos Vol.2 is released for purchase today, 25 May 2011 in Japan. Volume 2 comprises of Episodes 3 and 4 of the anime series Infinite Stratos. First press comes with a bonus CD with character song and a 50-page booklet.

Anime Title: [Blu-ray] Infinite Stratos Vol.2
Catalog Number: ZMXZ-7042
Release Date: 25 May 2011
Retail Price: 7,665 yen
Purchase at: CDJapan

Anime Title: [DVD] Infinite Stratos Vol.1
Catalog Number: ZMBZ-7032
Release Date: 25 May 2011
Retail Price: 6,615 yen
Purchase at: CDJapan

First press is sold out for both copies, but I believe they will restock the “first press” copies soon. My copy should be arriving next week! ^^.