http://www.macrumors.com/2015/10/30/4k-5k-imacs-10-bit-color-depth-osx-el-ca... And what does this mean for a possible entry into the medical imaging market, whose DICOM standard requires 10 bits in the display path? Have not gotten my hands on a machine to test the 10-bit gray ramp that would confirm. Peter Harris Programmer/Analyst Staff Research Associate Baskin Visual Arts Studios University of California Santa Cruz Santa Cruz, CA 95064 831.459.3107 831.459.1028 http://therealpeterharris.com