eBay top rated sellers Get It Digital and All New Shop have great deals on Canon EOS 5D Mark III and Canon EOS 6D.
Canon EOS 5D Mark III w/ EF 24-105mm f/4L IS USM lens – $2,699.99 – at Get It Digital via eBay.com
Canon EOS 6D w/ EF 24-105mm f/4L IS USM lens – $1,749.99 – at All New Shop via eBay.com
These are current lowest price for Canon EOS 5D Mark III and Canon EOS 6D.