For the PS3 version they've also given a nod to the Namco / Tekken fightsticks of the past (I feel like I had this idea awhile ago..) (levelupyourgame.com)
Scuff controllers are advantageous over standard controllers, fightsticks better than standard controllers for fighting games. (n4g.com)
I have the arcade version via Wii's Virtual Console arcade, which i often use with my Tatsunoko Vs. Capcom fightstick in order to have the arcade experience. (blogs.sega.com)