What's everyone's impression of the acting? Does anyone have a scene that affected them most?

For me, the scene that affected me most was the one where Dean O'Gorman as Fili and Aidan Turner as Kili said, (paraphrasing) "Orcs.. They strike in the wee small hours of the morning" and Richard Armitage as Thorin said in this dangerously quiet voice, "You think this is funny? You think a night raid by Orcs is a joke?"

As I watched that, I was wincing and thinking, "Oh crap, Kili, you really put your foot in it!" It reminded me of the times I've said something tactless and my dad has said something like "You think this is funny?"