Originally Posted by
Delaios
Go Shadow, queue as DPS for each dungeon as they become available. Dungeons now have all/most their quests handed by questgivers just inside the instance, making for very easy experience. But be sure to do each dungeon just once, to complete the quests. While in the queue: quest as quickly as you possibly can.
They're planning on dungeon difficulty levels similar to Wrath, so you don't have to worry about wiping too often. If you're good at DPSing, dungeons will go very quickly.