I think they would be better off just jumping onto the holographic disc format. I know Maxell has been one of the many developers in holographic storage media. 470 GB per optical disc will get eclipsed by holographic disc, and I doubt this Hitachi / Maxell technology can match the read/write speed of holographic even now.
http://www.computerworld.com/action...articleId=9003861&taxonomyId=19&intsrc=kc_top