Why we've reached the end of the camera megapixel race - Ars Technica
http://arstechnica.com/gadgets/news/2009/03/why-weve-reached-the-end-of-the-camera-megapixel-race.ars

Olympus Imaging's Akira Watanabe says 12 megapixels is enough for most users. Ars thinks he's on to something.

Why we've reached the end of the camera megapixel race