http://www.jp.playstation.com/scej/title/or2/
Comes out October 16 in two versions: at retail for 3,980 yen, like the first game, or from the PlayStation store for 2,800.
They added an overmap, which will presumably lead to different-themed stages (Egyptian, Greek, Japanese, etc.), one of the things the original could have used.
http://www.watch.impress.co.jp/game/doc ... /nama2.htm
The official site has a video, but I am on dial-up right now so I can't see it.