GOG.com announces plans for The Witcher 2: Assassins of Kings Enhanced Edition, following in the footsteps of the acclaimed Enhanced Edition of the first installment in their action/RPG series. They say the Enhanced Edition is due on April 17th. This upgrade is available to everyone who has bought The Witcher 2, not just folks who bought it from GOG.com. The upgrade will be free from now until the heat death of the universe, available through the in-game launcher.