Blizzard isn't exactly known for innovation. So, it's no surprise that its upcoming massively multiplayer online role-playing game doesn't differ dramatically from similar games like EverQuest and Dark Age of Camelot. But Blizzard is known for taking proven models and refining them into multimillion-selling games. So, it's also no surprise that World of Warcraft, though still inchoate, looks like one of the sleekest and most accessible MMORPGs since the genre began. This is going to be one of those, "If you only play one massively multiplayer game all year...!" deals.