Out of the Box Computers, one of the PC case makers, have recently introduced the American Chopper line of computers. Pictured below is a MSI MEGA 865 system with a Pentium 4 processor. You can customise your PC specifications to your taste and the company will do the rest for you. These case mods don't come cheap, the cheapest starts at about $1,400. So customise your heart out of it!