No they come with Cata ...... Only New talent tree's
Patch 4.0.1: Cataclysm Systems
As the Cataclysm draws ever closer, patch 4.0.1 will pave the way for the transition into the latest expansion. Players will gain access to a host of new systems features.
Classes: revamped talent trees, updated hunter pet system, new druid, hunter, paladin, and warlock resources, new Mastery stat
User Interface: improved Spellbook, new Guild display options, updated PvP interface, expanded and enhanced Professions tab
Systems: glyph updates including all-new Prime glyphs, new Reforging ability to customize item stats, new PvP and PvE currency system
And much more!
Read the 4.0.1 public test realm patch notes here.
Patch 4.0.3: The Shattering
Shortly before Cataclysm launches, Azeroth as you know it will be changed forever. Patch 4.0.3 will bring with it cataclysmic changes to the Eastern Kingdoms and Kalimdor. Players will be able to find new and exciting sights to see and quests to do in the level 1-60 zones, all-new troll and gnome introductory experiences, redesigned capital cities, new race/class combinations, and more!
I know Copy Paste FTW
http://www.worldofwarcraft.com/info/underdev/