Zach at LR have put up a short review at their blog
Conclusion:
What I Liked
What Could Be Improved
Overall, the Canon 1DX Mark II is without a question, the best Canon camera I’ve ever used. The images looked great, the speed of the camera is unbelievable, and the build is unparalleled. Canon took what everyone loved about the Canon 1DX classic, and improved it on every single level, and managed to do it and keep it cheaper than the Nikon competitor (which in my opinion, is not as good). If you’re a sports photographer, this is your Ferrari.
Conclusion:
What I Liked
- Incredible Focusing System
- Impressive High ISO Capabilities
- 4K Video output at 60fps
- Robust Build Quality
What Could Be Improved
- Price (Cause you know, I want my cake and eat it too)
Overall, the Canon 1DX Mark II is without a question, the best Canon camera I’ve ever used. The images looked great, the speed of the camera is unbelievable, and the build is unparalleled. Canon took what everyone loved about the Canon 1DX classic, and improved it on every single level, and managed to do it and keep it cheaper than the Nikon competitor (which in my opinion, is not as good). If you’re a sports photographer, this is your Ferrari.