Its close in price to a D4
And very competitive to any camera that you need to buy filters, mattebox, sound recorder for. Sony cameras allow some video stuff missing from GH4 for example such as hot swapping media for infinite roll time, possibly dual media recording, and other stuff which has value to some.
XQD media pushes the cost up too- but feel more solid than SD cards!
Displaying LUTs is a bit of a mess.
You can display a lut when shooting SlogEI mode but the waveform/histo are lost (with current FW), you cannot display a lut when shooting in HFR (high frame rate)
When doing a controlled shoot I would probably use a LUT (which can also be fed to a directors monitor) but when shooting fast I find looking at a slightly crappy 'log' image and judging exposure using the waveform is better.
The trouble i had with LUT is they tended to allow me to under expose. Because exposing with a lut you rely on zebras at 95, but if you cant get zebra how far under are you?
SLogEI mode also allows one to ETTR using 'cineEI' which is faux ISO, very useful. You may visit video fora where people suggest sony cameras are noisy - not if you expose for 800ISO not the 'base' 2000, EI allows that and sustains the look over a LUT allowing 800/ETTR to look correct in monitor (cams like the F3 to go ETTR you had to view a very bright looking image)
Slog can also be selected in 'Custom' Mode but no luts are available in custom mode - custom mode allows in camera noise reduction which appears to be of great value above 3200ISO.
Learning 'best use' is a bit of a mission and it seems different set ups apply best for different shooting situations and post production workflows.
Sony now have a semi useful bit of software 'Catalyst Browse' (actually a radical step in terms of 'motion' software) that auto de-logs the footage, applies your EI/ISO selection and offers temp tint and exposure sliders.
it only took them a decade!S