The War of the Ancients covers the events of the Sundering that originally split Azeroth into the shattered continents we see today. As yet there's no information as to what kind of role players will have in the war, although Chilton did say that this will not be an event that is available upon release -- it will be part of the progression on the fight against Deathwing. Despite this, I know many players will be excited at the chance to finally see the events of the war firsthand. The biggest question in my mind though is which timeline we will be addressing; the original one, referenced in Warcraft III, or the timeline of the War of the Ancients Trilogy, and whether or not Broxigar, Rhonin and Krasus will make an appearance. Check out the full interview for more details on raids, instances, and questlines that are old favorites.