This is the kind of marketing that we expect from Blizzard. A lot of people who play World of Warcraft also play other Blizzard games (like myself) and are looking forward to purchasing new ones when they come out. For example, I’m looking forward to Starcraft 2, and an in-game pet for World of Warcraft like this is definitely a good reason to pre-order the collector’s edition.

Full details are here at BigDownload. Thanks to Wow.com for the scoop!