http://www.sciencealert.com/apple-computers-are-expensive-here-s-how-to-build-your-own-superfast-mac-at-a-fraction-of-the-price
http://www.sciencealert.com/apple-computers-are-expensive-here-s-how-to-build-your-own-superfast-mac-at-a-fraction-of-the-price