Ayu is a Japanese singer. The real deal is Japanese Ver.. will you buy a chinese version of Madonna Cds ?
anyway cd cases of os versions are crappy, but for the booklets it's almost the same quality.
And for purist Ayumi is written in chinese on the OBI of the os cds.
I used to buy os version too, now, I buy only JP.
For DVD region problems, on pc, simply use VLC:
http://www.videolan.org/vlc/
then, you'll be able to read any region dvd
