It was pretty good, but I wasn't blown away with the Argul's Tomb DLC. It wasn't that it wasn't good or anything like that (because it was), it's just I think I was expecting more. I wanted a LOT more to be added, and for it to be longer. The boss battle was pretty good, but it would've also been really cool if this quest somehow fit into the main story quest and I had to go back to someone and something else happened as a result of me completing the Argul's Tomb quest.
This game is so awesome, that they raised the bar for my expectations, that's why. -- "I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect has intended us to forgo their use." - Galileo
I just finished it over the weekend and am now working on doing all of the sidequests (I hate collectibles...). One particular piece of the game that is annoying is that you are hard-capped at level 22 for your first playthrough. In order to hit level 30 (the highest level), you MUST do New Game +.