I did this instance yesterday with my team aswell.. The trash you were talking about that pulls the group and those goblin trash were annoying. The worst part in that instance was the last boss for me.. Not sure how many wipes i had there. But once your at phase 3 its just cake. Worst part was phase two.. so much aoe happening, but i found it "easiest" to mainly kite the mobs that spawn and take my time to dps down the channelers.
Annoying instance to box at level 81 atleast.