Amazon.com : Canon EOS 40D 10.1MP Digital SLR Camera (Body Only) : Electronics
Canon EOS 40D - Wikipedia
Nikon D40 - Wikipedia
Nikon D40 DSLR Camera Body, Black {6.1MP} at KEH Camera
Amazon.com : Nikon D40 6.1MP Digital SLR Camera Kit with 18-55mm f/3.5-5.6G ED II Auto Focus-S DX Zoom-Nikkor Lens : Digital Slr Camera Bundles : Electronics
Canon EOS 40D, previewed: Digital Photography Review
Nikon D40 review: Nikon D40 - CNET
Canon EOS 40D Camera Body
Test: The Canon EOS 40D on the microscope – a DSLR classic with an advanced sensor