The uncharted series is an amazing series of games. Uncharted 2 especially, that game is amazing. Great graphics, great acting and voice work, great characters and story, the gameplay is perfect, just perfection, complete perfection of what an action game should be. I would say some of the metal gear games...but they are more tactical/sneak than pure action games.
Oh and the devil may cry series, number 3 in particular. Really over the top and awesome actions scenes and gameplay.