In case you've missed this there are 4 event bosses, they drop 251 epics and are easily puggable.
AQ
http://img715.imageshack.us/i/wowscr...310022706.jpg/
ZF
http://img715.imageshack.us/i/wowscr...310023208.jpg/
MARA
http://img818.imageshack.us/i/wowscr...310023615.jpg/
BRD
http://img4.imageshack.us/i/wowscrns...310024147.jpg/