It's mostly in English (US releases) with a handful of titles in Japanese; titles include:
Ceres, Celestial Legend (Ayashi no Ceres)
Yami no Matsuei (Japanese)
Saiyuki, Saiyuki Reload, Saiyuki Gaiden
Pet Shop of Horrors
Card Captor Sakura
Weiss Side B (Japanese)
A full list is HERE
I also have some CDs and a few DVDs and magazines HERE
There's a Weiss Kreuz CD, some Gackt, some L'Arc~en~Ciel and related bands, one X (Japan) and one Toshi solo, Kazuyuki Matsumoto (Janne da Arc), Dir en grey, The Pillows, and a few other items.
I am in the process of listing a few more CDs and some anime on ebay (selling; feedback)
Thanks for looking!