New information page, with clear screenshots and character settings.
Preorder bonus: The "Refrain Disc II" contains
1)famous quotes from games; and
2)desktop accessories (maybe screensaver and more) for PC.
There are 3 designs for the disc itself: Lelouch, Suzaku, and Kallen. They are given randomly.
Amazon.jp shows the 3 designs. (Note that Amazon.jp don't ship games overseas.)