Wow, check out the list of changes in the next patch, glad to see these things are going to be in before the World of Warcraft: Burning Crusade expansion release. 

• Looking for Group Interface Tool
• Honor System Revamp
• Shamans will be able to Dual Wield
• A knowledge base has been added to the in-game UI.
• Two New Arenas are now available in three different modes
• When casting a buff on a low level target, the appropriate rank of the buff will be automatically be applied

      And tons more.....

      http://www.worldofwarcraft.com/info/underdev/

      World of Warcraft: Official Patch Notes