http://ova-tos.com/
Update to the site (I think) with info on the 2 DVD editions. Typical 'try to get as much money out of the fans as possible' approach. I had a go at trying to translate it (bored), and managed most though the few kanji left in (or the ?s) are stuff I didn't quite get, or gave up trying to.
Collectors Edition:
①Extravagant Deluxe Storage Box（松島晃氏描き下ろしイラスト使用）
②Bonus Disc [Collectors Edition]
Volume 1 (DVD):
●Extra Anime [Teacher Kratos' Private Lesson （Provisional Title）]
●外崎監督 Interview
●Music Clip
●No Credits OP, ED、Advance Notice PV
Volumes 2-4 (CD) （Contents not yet finalised）
③Audio Commentary （Recorded conversation from the main cast）
④Deluxe 36 page booklet （from the anime character designer）
⑤Picture Label Edition
⑥Present Application Card （Differs with the EX Sphere Edition）
EX Sphere Edition:
①Deluxe Package
②Bonus Disc [EX Sphere Edition]
Voloume 1 (DVD):
●Voice Actor Interview （Konishi Katsuyuki (Lloyd)、Nana Mizuki (Colette)、Tachiki Fumihiko (Kratos) 撮り下ろし）
●Music Clip
●Artwork Gallery
Volumes 2 - 4 (CD) （Contents not yet finalised）
③Audio Commentary （Recorded conversation from the main cast）
④Running Anime Scenario Booklet with each volume (36 Pages)
⑤Picture Label Edition
⑥Present Application Card (Differs with the Collectors Edition)
Comments/criticisms more than welcome
