We've studied them in school, heard their legends, and witnessed Tom Cruise transform into one (The Last Samurai - great film, though not so fantastic on the historical accuracy). But who are these mysterious warriors from Japan's feudal past, and why is it that in spite of the fact that they are no longer in power, they are referred to typically with a great sense of awe, honor, and respect? In this particular article (I apologize again, I know everyone hates the whole wikipedia thing, but they freaking NAIL this), you get everything you could possibly want to learn, and discover how their sacred doctrine and culture continue to live on.
Also, if you do have the time and want to truly learn about Samurai, I also recommend the novel Shogun by James Clavell. It is very well done, and one of my all time favorites.