The Only Good Thing About Cliffhangers...

Who or what is down the hatch? What will happen to Jin, Michael and Sawyer? Are the Others really coming? Or is Rousseau just insane? Who took Walt? And why? 4, 8, 15, 16, 23, 42? Is Claire's baby the Antichrist? Polar bears? Monsters? Is Hurley cursed? Are the numbers cursed?