Solid release dates for Blizzard games are rare. Just look at how long it took to get a launch date for StarCraft II (announced in 2007, released in 2010), and we still haven't heard about a definite release date for Diablo III. As reported by Gamespot, Activision Blizzard COO Thomas Tippl said that over the next three years, we should expect six "proven property" releases...