Here's a collection of websites with more information about Metal Roofing than you could ever want.
A website all about the history of roofing all over the world.
Really interested in roofing? See all kinds of roofing artifacts.
Stone Coated Metal
Taking the roofing industry by storm, stone coated metal is
Highly reflective roofing does more to your house than you might know.
Ask Victor Ward
Remember Ask Jeeves? Well Victor may not know everything, but he knows everything about roofing.
Metal Roof At
... the price of an asphalt shingle. A book dedicated to showing people how to get metal at the price of an asphalt shingle re-roof.
Fancy metal roof without the fancy flashings?