I went all the way to 70 as a pet spec warlock and now I'm doing lots of instances to level out my faction and I'm feeling like I'm not contributing from a damage perspective.
Since I've got the extra points in my sucubuss, she definately kicks butt for crowd control, but I'm not sure if maybe I should choose a different spec for regular and heroic instancing?
Admittedly, my gear does need some work (my shadow damage bonus is only around 800ish) so maybe that's my problem, but I guess the question is whether or not a pet spec warlock is wanted/needed at the end game?