*UPDATE* 1D Mark IV [CR3]

I forgot to add:
“What’s New in the EOS-1D Mark IV: Advanced Autofocus System”

“The new EOS-1D Mark IV Digital SLR camera features Canon’s most advanced Autofocus system to date. It is equipped with a newly developed 45-point AF sensor featuring 39 high-precision cross-type AF points, and an all new AI Servo II AF mode that gives still photographers the power and performance to track and focus a fast-moving subject at speeds up to 10 frames per second. With more than twice as many cross-type focusing points as the EOS-1D Mark III and a new AF sensor construction that improves performance in dark and bright light, and with low contrast subjects, the EOS-1D Mark IV has greater subject detection capabilities than any previous EOS model.
The newly-developed, high-precision Area AF sensor has 45 AF points including 39 cross-type AF points. All 45 AF points can be selected manually as well.
To complete the range of AF improvements, Canon has developed a new AI Servo II AF predictive focusing algorithm that significantly improves responsiveness and stability by making better decisions on focus tracking in a variety of shooting conditions.”

Nice work! Where did you find that link?

BTW, camera looks like a sleeper.