Premonition of US-Sen'jin doing a live raid with several of their members at BlizzCon. This was a unique raid event with multiple boss encounters spawned in simultaneously.
Fraps footage by SIiz (Mage), combined with audio taken from fan footage at BlizzCon itself.
Direct downloads for 1680x1050 HD:
http://www.filefront.com/14441043/PremoBlizzcon09LiveRaidP1.avi/
http://www.filefront.com/14441553/PremoBlizzcon09LiveRaidP2.avi/
