just my opinion, if you have money.
don't buy the dvd.
buy music cd, drama cd, game, manga.
the TV series just cut too much.
http://photo.xuite.net/liuic/832352/1.jpg
now I have 2 drama cd(Onikakushi-hen and Watanagashi-hen), 4 manga, and still waiting for another 3 drama cd(Tatarigoroshi-hen and 2 mini series) and music cd.
part of my collection
http://photo.xuite.net/liuic/832352