Have seen this, Minimal shutter lag time - 0.01 sec
Talked to a reporter he said that for still pics of
faces 2.1 megapixels is fine but the sports reporters
used 4-5 megapixel cameras
Regular old film gives about 20 mega pixels
digital up to 6 mega pixels.
Here is some help http://www.shortcourses.com/choosing/contents.htm