They didn't scale the armor/spell resist up properly in 1.6. Before 1.6 is was a no-brainer. Now its garbage, but people are still in the habit of using it.
I use Restoration on my DK Healer and have used both on my VR14 NB Healer. Like I said before it all depends on what you do more often. If you are the sole Healer most times (small Group content) and if the DPS in your group is low then Combat is better. My Guild has very high DPS and Players that know every single encounter to all PvE content so well that I don't need Combat anymore and Restoration gives me flexibility since the Heal is so much larger.@DeLindsay what do you think as a dk would be better combat or restoration? I was thinking to be a dmg buffing healer. With ofc the 5% wpn dmg from Igneous Shield, And Agressive Horn for the 10% magicka hp and stamina but also 30% increased crit dmg for 8 secs amd ele drain. To bad igneous weapon doesnt buff allies anymore (