This page compares the Nikon D200 with my daughters Nikon D40. What it shows is....

'size doesn't matter!'

The above image is from a Nikon D40 of my D200 - click to see the original (1.5Mb) and why the D40 is fantastic value!

This one is from a D200 of a D40 for comparison as is the one below (both files click to reveal 2.4Mb images)