Have to accept it after experiencing it myself. Although, I 'm on my 4th replacements of iMac, I need to accept that Apple service is very good. I happened to find this article and didn't surprise about its content at all.
http://www.tuaw.com/2010/03/11/apple-tops-consumer-reports-tech-support-survey-second-place-n/
http://www.tuaw.com/2010/03/11/apple-tops-consumer-reports-tech-support-survey-second-place-n/