Destruction warlocks have their benefits like good switching burst to adds and good damage. Destruction warlock is a neglected spec in ICC but Rawr says it can have the most damage out of all 3 specs, but affliction can win on fights where it can dot up more targets. If you look on world top damages you can see a...
Demonology warlock is a must for 25man raiding and even for 10man raiding it is amazing. Demonology gives so much spellpower you can't go without it, and we have not mentioned every other supports and utilities the warlocks can provide. With a warlock you can always get a spot.
Affliction warlock is not one of the Skada/Recount topper RDPS classes (like mage) but when it comes to multi doting it becames one of the best. Afflictions multi doting ability is what makes this spec unique and strong in many fights of ICC. Also affliction needs a lot of time to build-up its DPS (as the burst is low) but...
