Buy an artbook and arrange soundtrack if that stuff even matters. When there's a serious match going on you really don't have time to look at whether or not a person in the bg should have 3 frames of animation or 5. It's almost too loud in the arcade to hear the music anyway.
I love this game. Rock Howard and a 2D Kyosuke, couldn't really ask for more. This game actually turned me on to the whole SNK world even though I had played other SNK games before. I always thought Ryo looked too much like Ken in this one though.