According to the official Capcom blog, 100 total copies of the PlayStation 3 and Xbox 360 versions of Devil May Cry 4 Collector's Edition will come personally signed in shiny, silvery ink by the game's producer Hiroyuki Kobayashi. The signed copies will be randomly distributed across the US to a number of retailers and distributors.
In addition, all copies of Devil May Cry 4 Collector's Edition will include Volume One of the Devil May Cry Anime (four episodes in two hours), the making of DVD with the game producer, digital art book and music soundtrack in a special Steelbook case.