Right now I have Eye of the Broodmother, but I saw someone with Abyssal Rune and even though it's a lower gear score it seems like it would be better for my arcane spec. What do you guys think?
http://www.wowwiki.com/Eye_of_the_Broodmother
http://www.wowwiki.com/Abyssal_Rune
http://www.wowarmory.com/character-sheet.xml?r=Quel%27dorei&n=Varilhigh