Gamestop is offering StarCraft II Wings of Liberty PC or StarCraft II Heart of the Swarm Expansion Pack for a good price.
Next best price on Google is $19.99
StarCraft II Wings of Liberty $9.99
Starcraft II Legacy of the Void $19.99
Diablo III Battle Chest $19.99
Purchase $25 worth of items and use code SAVER to get free shipping