#0 - June 17, 2009, 8:40 p.m.
Blizzard Post
When the next major content patch launches we will be introducing epic quality gems and updating the perks for each profession. Please keep in mind that any of this information may see further changes before the patch launches.

Please see the below link for all the details:
http://forums.wow-europe.com/thread.html?topicId=9521027308&sid=1