The kids at Blizzard have released a new trailer
showing off some of the features in the new patch, featuring the "Fury of the Sunwell" content update.
Explore the mystical grounds of the new 5-person dungeon, Magisters' Terrace, where one of the Burning Crusade's most notorious villains is preparing to make his desperate last stand. Lead your raid group straight into the heart of the Sunwell Plateau to confront the most terrifying and deadly agents of the Burning Legion. But beware, for your enemies will not go down without a fight. Expect the demons to send in their most ferocious, brutal, and powerful officers. Your greatest challenge yet awaits.
You can read more
about the update on the official site.