The Canon 6D just dropped in price by another $100, bringing the retail price down to $1699. Additionally, Canon is offering a $300 instant rebate on the 6D, which brings it down $1399 right now. Check it out here at B&H Photo.
Similar price drops and rebates are available for the 6D with 24-105mm IS STM kit and 6D with 24-105mm f/4L IS USM kit.