Diablo 3 and Quake Live! Blizzard announced Diablo 3, the third installment of their action RPG, at their World Inivtational held in Paris, France.  Fans of the series have been looking forward to this for a long time now.  The announcement comes as a surprise, as Blizzard is currently working on Wrath of the Lich King, the second expansion pack to World of Warcraft.  Seeing as their two different...