using this spec, I am seeing 400 dps increase. My hit is not capped. So the 400 dps increase is on level 80 mobs. In raids, I see 200-300 dps increase on ?? boss. This is with me having only 1100 spell power (from gear, not using this spec). This spec definitely scales better with gears. Unless they nerf this spec (mainly dual flametongue), even with the upcoming elemental talent change, I could still see this spec performing better in raids.

You are receiving spell power buff from nearly all sources. i.e. intellect, strength, attack power, agility.