Vivendi Games today announced that a special event will take place at HMV in London on January 15th. The store opens at 11:00pm with the game going on sale at 12:00am. World of Warcraft game designer Jon LeCraft and Blizzard Vice President of Business Development, Itzik Ben Bassat, will be on site to sign copies. If you attend the event in a World of Warcraft costume, you will receive preferential treatment in relation to the Collector’s Edition stock and you will also be eligible to register for a special in-game baby Murloc pet. In related news, Blizzard also announced that World of Warcraft surpasses 8 million subscribers worldwide. Check the press releases for details.