The Canon 1D X just got a $700 price drop and is now available for $4,599 including current rebates. (It was $5,299 yesterday with $700 instant rebates.)
The 1D X saw an $800 price drop in February 2015, which dropped it from $6,799 to $5,999. That’s a total of $1,500 price drop this year and, including the current instant rebate, drops it $2,200 from its original retail price. So, yeah, something is probably coming as a replacement soon…
Check it out here at B&H Photo.