my only issue was the music at the 2nd rave. it was terrible. the beat was changing so much that it was hard to get into, and the stuff played was just plain bad. myself and a number of people i was with were extremely disappointed.
Sakura con 2012:
Hiei - Yu Yu Hakusho (basic) - done
Hiei - Yu Yu Hakusho (dark tournament) - done
Haji- Blood+ - (not yet started)