Oh, and btw my arcane spec on armory is a PvP spec atm. I was testing out fire a little too.
This is the arcane DPS spec that I run in PvE: http://www.wowhead.com/?talent#ofxVcz0czxGuGxedZbIc0k Theres a few points in there that are movable for a bit more single target DPS or AoE dps.