From the comments of this Slashdot story on Canon’s new 11 Mpixel camera is this article comparing digital cameras to traditional film:
It was only a couple of years ago that a 6+ megapixel camera cost over $15,000. How times change. The D60 is currently (May, 2002) available for well under U.S.$2,000 from mail-order dealers, even though supply is still short. (This is for the body only, suitable for someone upgrading from a D30. The full kit is two hundred dollars more). […]
Granted the author is comparing a digital SLR to film, so the results may not apply to a run-of-the-mill digicam ;). But, the results are interesting nonetheless.