At this point the DRK fanbase is so fractured that there is no way that SE can ever make a DRK that everyone will like. For me DRK would have to return to its resource management roots and stable DPS. I would get rid of everything that has been added changed since HW since nothing that has been added can't be found somewhere else done better (fell cleave/decimate and Inner Release), the only thing I would keep is the TBN.

SE has removed everything I liked about my favorite tank and whats left is a color swap of warrior.