http://www.wegame.com/watch/Gun_Drak_WotLK/
I also have videos of several other instances from earlier patches:
http://www.wegame.com/watch/Halls_of_Stone_WotLK/
http://www.wegame.com/watch/Drak_the...otLK_SPOILERS/
http://www.wegame.com/watch/Utgarde_Keep_WotLK/
http://www.wegame.com/watch/The_Nexus_WotLK/