With the announcement of R5, R6 and perhaps the interdiction of a 5D Mark V later this year is the 5D Mark IV still in the running for all purpose camera? With Canon's June reduction of 5D Mark IV pricing to S1,899.00 US, looked like a great price. But now the cost returned to $2,500.00, same price as the R6. So is there a reason to purchase a 5D Mark IV?