I do think that the D750 is an impressive camera, however I did laugh when I read in the conclusion (direct quote by the way)
"The EOS 5D III is a nice enough camera, but its sensor and AF systems are behind the times,"
Not going into the sensor at all the bit about the af system is a ridiculous statement the AF specs of the mkiii are still superior 3 years after its release. The most balanced (IMO) comparison between the 5Diii and D750 was from Michael the maven. It doesn't matter to me anyway I've had my mkiii for 15 months and I love it. my next camera will be the next gen Canon whenever it is. I am glad however that after 15 months I still have a current generation Camera I would have been upset if it had been upgraded already (like a nikon!!!}