Intel has developed a ready-made spec for ultrabook part costs to help placate Windows PC builders who complain they can't compete on price with Apple, notebook designers slipped out late Thursday. The raw bill of materials, before assembly, is supposedly between $475 and $650 for thicker 0.8-inch models and $493 to $710 for systems at the thinner 0.7 inches of the MacBook Air ultra books are designed to imitate. Five templates exist for the thinner category Digitimes saw, with the ASUS UX21 and larger UX31 matching that spec.