So far I've really enjoyed the Torgue DLC, much better than the Moxxie DLC from the last game. Though several missions are surviving wave based enemies they've done some interesting things to change it up. Though the majority of it are "proper" traditional missions. I also think this is the funniest chunk of content yet.
But anyway, I can't beat the last boss!
More specifically the T-Rex. The missiles will leave me with almost no health, and once I'm down there is nothing to second wind off.
I'm a level 50 Siren trying to solo. Loot probably isn't spectacular, just finished the main game for the second time and went straight into the DLC.