I purchased a Nikon D200 in January this year which would probably make it one of the initial batches made. The guy I shoot for has raised the issue of grain a couple of times. As such when shooting weddings I rairly go above 400ISO He sent back this page citing the grain as unacceptable. It was shot indoors at 400ISO with flash bounced off the wall behind me. I can see his point when I zoom in on the hairline. I am thinking the background is probably more so grainy due to underexposure. Has anyone had a similiar exoerience with the D200?