I was surprised myself that
Spoilers
Spoiler: I was able to beat it with no one dying. It is worth having Miranda in your party at the end when The Illusive man asks you to keep the base for research. When the illusive man orders miranda to stop shepard she will basically say, here is my resignation and hang up on him. I was a little disappointed with the last boss though he seemed kind of cheesy.
While I love the game I wish there were more rpg elements in it. Since I kind of miss the inventory, the weapons, and armor elements from the first game.