Honorable mentions: (Not neccesarily great films) Forrest gump, The sixth sense, The Prestige, Reservoir dogs, Home alone 1 and 2, American beauty, The usual suspects, Babel, The departed, Casino, A few Good men, The shining, Rambo (1 and 2), Pursuit of Happyness, The Shawshank redemption.....and many more.
Same here, from whatever movies i have seen, this is my favorite 10 in no particular order. The Good, The Bad, The Ugly The Godfather - 2 Goodfellas Rainman The Killing Lock Stock and 2 smoking barrels Unforgiven Raging Bull Butch Cassidy and the Sundance Kid Seven The Man from Earth