Ninja Gaiden Dragon Sword interview at Joystiq.

"It's not too long into our interview with Tomonobu Itagaki before he issues us with an impromptu challenge. "If there's a game out there that is more beautiful, more interactive, faster and has better action than this game, please let me know." The Team Ninja boss has a train of thought that truly exemplifies the bluntest characteristics of that phrase. It's an unstoppable machine barreling down a track without diversion and without apologies -- because it's a train."

Full Source: Joystiq