Picked this up off the wire today

Blizzard has also announced a collector’s edition will be available as well.
This special edition has the following features: Art of World of Warcraft:
Wrath of King Lich, a 208 page book with never before seen images, a in-game pet, Frosty, a baby frost wyrm, a video DVD with hours of developer interviews and the intro cinematic with developer’s commentary, the official sound track with 21 songs, a mouse pad with a map of Northrend printed on in, and two World of Warcraft Trading Card Game March of the Legion card packs including two unique cards only available in the collector’s edition.

World of Warcraft: Wrath of the Lich King is due to be released November 13, 2008. The game has been rated Teen by the ESRB and will cost about $39.99 for the regular version and $69.99 for the collectors edition.