IGN put together a great article where Blizzard discusses what new items and professions are in store. Go check it...
With all of the upcoming professions and items queued up for the upcoming patches and expansion for the game, the folks at Blizzard have loads to talk about and the fans are eager to find out more. At the WoW: Professions and Items panel at this year's BlizzCon, Tom Chilton, Travis Day and Jon LeCraft were on hand to explain their ideas for the reasoning behind these two essential parts of World of Warcraft, as well as what to expect.
The main portion of the panel was dedicated to discussing the philosophies behind the creation of new items, with a lot of focus placed upon what would make the game that much more amusing and what will make a better overall experience. From an initial inspiration from the creative team or fans right down to whether or not a given item would benefit players, helping them progress their given progression or if the complexity of materials and skills required to create an item is worth the payoff. The creators made it crystal clear that every item is meticulously planned and ensured that it would be a benefit to the game world.
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http://pc.ign.com/articles/810/810723p1.html