Well, the fact that it was being re-released is old news, but I didn't realize there was an artbook (that may have been old news also, but I didn't know it). The page reads "To celebrate the re-release of the game to stores, all gamers who send in the registration card enclosed with their copies of Disgaea after May 25th, will receive, free of charge, an exclusive mini-art book.", so I would hope/assume that people who already own the game can register their older copies and get the book.