big green egg

I have a friend who swears by the Big Green Egg.  He said it's like the world's best grill that he can also use as an oven and often bakes bread in it.  I couldn't even picture what he was talking about and was excited when I saw one at the Home Show this past week-end.  It's unusual look and the rave of my friend prompted me to do a little research and found that it's deemed the Original American