I believe none is the lead platform, Kobayashi said that they are going to push the Wii in terms of graphics for the game. Also Famitsu revealed Sengoku Basara X for Wii, a enhanced remake of the first one. So now Wii will have SB: X, SB 2, SB 2 Heroes (both 2 and Heroes are sold together), and 3. Looks like Capcom is keeping the franchise on Nintendo and Sony platforms.