OSNews points to Of Course Macs Are More Expensive… Aren’t They?. “So, I went out to at least partially test this theory, and to do appropriate comparisons between Dell computers and Apple computers. I’m hardly the first one to take this challenge but I’ve decided it’s time to stop talking and taking other peoples’ word for it, and go get some concrete facts to put on (digital) paper.”
This looks like a well-reasoned, well-researched study. Take a look and see if you come to similar conclusions.