http://www.nytimes.com/2007/02/08/technology/08pogue.html I have read the article, "Breaking the Myth of Megapixels" from the New York Times. The writer of this article went through a series of experiments where he took one picture and stripped megapixels from each one. He tried to see if his test subjects would be able to notice a difference between the appearance.
This article explained how megapixels tend to be among the least of things you should consider when buying a camera to produce better pictures. While megapixels has its importance, the quality of the camera lens, circuitry and sensor have higher value. Before taking the class, I was definitely firm in the decision that I needed more megapixels in order to have a good quality camera. I now know that there are several other factors to include in my next camera purchase