This deal is back: BigValueInc via eBay has the Canon EOS 6D for $1499.99.
BigValueInc (via eBay) is an unauthorized dealer. However, the last few 5D Mark III sales, readers reported that they have been shipping US or Canadian models which are eligible for US warranty service. They also have 98.2% positive feedback on eBay.
You can also try your luck at a refurbished EOS 6D that will be going on sale within a few days.