Geneon's Limited Edition Collector's Box version of its Tenjho Tenge Round One anime release will include a mini-comic of the manga from DC's CMX imprint.  The box will also include a limited edition mini-pencil board.  

 

The anime was produced by Madhouse, which also did Trigun, X, Gungrave, Chobits, and Texhnolyze)  It's scheduled to street May 3 (see 'Geneon Launches Two New Anime Series').