Here is the game trailers for the second Okami game that will be on the DS, it's already been released in Japan. it will be released in March here in the US. If you haven't played the first Okami i totally recommend playing it, the systems that okami is on are PS2 and Wii , it is one of the most beautiful and epic games that you will ever play.
http://www.youtube.com/watch?v=syAPKAt_1wo
http://www.youtube.com/watch?v=xUzwvDqNBk8