The sky's the limit. Eurocom notebooks just keep getting better and better as Clevo shells continue to evolve. It's pricey, of course, but has key advantages over its closest competitors in the form of 100 percent AdobeRGB coverage and upgradeable LGA 1151 socket.
http://www.notebookcheck.net/Eurocom-Sky-DLX7-Clevo-P775DM1-Notebook-Review.155423.0.html
Great and comprehensive review (as always). Thank you!
The only available display is disappointing though. Whoever wants such a wide gamut typically also wants accurate color rendition, and this one is quite off, even after calibration. Nevertheless Eurocom couldn't do better as there doesn't seem to be any other 17.3" wide gamut panel in production as of today. It might at least cater to people looking solely for 4K UHD.
Also (not sure if that comment really belongs here), do you plan to review the Eurocom Sky X4, which might come as a lighter and cheaper alternative? Sure, it's slightly less powerfull with a 980M instead of 980, and the i7-6700K + 980M combination has been reviewed a few times here, so performance-wise, it should be no surprise. However, as for temperatures, throttling, fan noise, etc. it would be interesting to see how all of this translates into a smaller 15.6" package. In fact, I can't find any review here with an i7-6700K in a 15.6" notebook (your Schenker XMG U506 review comes close with an i5-6600k).