With the physical collector's edition you get other stuff like an art book
Karl Weaver, Amazon
5 July 2014
Summary: Hmm this was..what, the second expansion to World of Warcraft? First there was the vanilla game, then Burning Crusade (which introduced the "outlands") then Wrath of the Lich King which introduced the continent of Northrend, then Cataclysm (which changed the map), then Pandaria (yet another new...
Summary: Found an old vanilla WoW box set and burning Crusades box set at my local thrift store for $1.50 each. Having already bought the Cataclysm and Mists boxes, I thought I may as well try to find WotLK to complete my box set collection.