and jabbawockeez (they won abdc in 08) didnt start the trend of using masks and the new style of dance prepix did (this video shows it all and its in 2006)
i dont know who's this b2st hyunseung but he dances damn well too which is good enough which qr showed by longlong time ago
and the full series of new choreographies by prepix Yun
Soo
iLL
WaSsup and Joony (w/o sound)
still got Haw and Maki's choreo (they hv 7 ppl but cnt find on youtube so too bad)