DigitalCameraInfo.com reports that Canon and Nikon had the greatest number of eBay DSLR sales the past two weeks, quoting sources from the Photo Marketing Association Data Watch. You can check the latest prices right here.
In a survey ending August 29, eBay’s best-selling DSLR model was the Canon EOS Digital Rebel XT.

The 8.0 megapixel Canon Digital Rebel XT sold at an average price of $659.23 on eBay, down from the introductory retail price of $999.95 in February 2005. Other popular models included the 8.2 megapixel Canon EOS 30D that sold for $1,197.86 and the 20D at $952.78.Nikon fared well with its 10.2 megapixel Nikon D200 which came in as the second best-selling DSLR on eBay; it sold for an average of $1,547.05. Other best-selling products included the 6.1 megapixel Nikon D70 and D50, which sold for $849.95 and $693.85, respectively.

Unfortunately the numbers aren’t current enough to indicate sales of these two camera maker’s newest models, the Canon Digital Rebel XTi and the Nikon D80.