Attached Link: http://www.renderosity.com/messages.ez?Form.ShowMessage=945013

Did you checked the gamma setting for your monitor ? I had a problem two month ago when I discovered I was working with a 2.4 gamma (standard PC) as the standard for graphic seems to be gamma 1.8 (standard MAC). Follow above link to have more informations on monitor calibration (brightness, contrast) ;=) Yves