After the diatribe from Steve Ballmer about the Apple overcost and the advertising campaign aiming at showing that Mac is much more expensive, MS places more on the Windowsstreamblog.com site. They financed a study that concludes, of course, that the "Mac surtax" is very high.
The whole is even detailed in a PDF.
The example is disressing. A family that would equip itself with a PC running Windows could save $3367. Even though we will not detail certain points, there are many that are obviously made in bad faith, like including in the difference, an iLife update at $99 or to take a Linksys router instead of an airport base station (one can, of course, do this with Mac too). Other points are