Second expansion announced

[Ghryphen]

• The dark, necromatic Death Knight - the first new character class added to World of Warcraft since its launch.
• Northrend, the harsh, icy continent where the Lich King holds rule, complete with new zones, quests, items and monsters.
• New level cap of 80 providing access to mighty new powers and talents
• New battlegrounds featuring siege engine warfare and destructible buildings
• Expanding character customization options including new hairstyles & dances, the ability to change the hairstyles of existing characters, and new skin color variants.

http://www.wowwiki.com/World_of_Warc..._the_Lich_King