At Omuser.com you can see the [shoplink 17163]Olympus E-5[/shoplink] vs Nikon D3s
Look at the following samples:
ISO 200 (Click on image to enlarge)
Not bad at all! And consider the price difference …the Nikon costs $5100
Digitalkamera.de posted a new Olzmpus E-5 review (Click here to read the google english translation). Also in that case the reviewers is enthusiast about the camera performance. The only complain is the high price.
Olympus E-5 direct shop links:
Amazon US