Dr. Saurabh Jha has penned a great essay, "Who is the better radiologist? Hint, it’s not that easy."
A couple of comments:
1) "Quality" is in the eye of the beholder. And as the federal government starts setting more payment rules to govern "quality", that beholder will increasingly be the government. Which won't necessarily be what patients would regard as "quality".
2) This is one of the best discussions of ROC and the trade-off between sensitivity-vs-specificity, without the jargon.