With the new ERGO K860 Logitech tries to beat the Microsoft Surface Ergonomic Keyboard with the Alcantara palm rest. And in certain areas, like the typing experience, the K860 definitely succeeds with this goal.
The Razer Blade 15 Advanced is a great workstation, especially if you plan to use with Linux. This review focuses on how the Razer Blade performs with Linux and how to configure Optimus and Co. to work flawless with Arch Linux.
The ThinkPad P51 is Lenovo’s top workstation model with 15 inch. You get the strongest mobile Intel Kaby-Lake-CPUs (up to Intel Xeon CPUs) and an Nvidia Quadro up to an M2200 in a military tested case.
The Dell XPS 15 9550 is a great notebook, especially if you are planning to use it on Linux. We've tested Arch Linux on the current model (Intel Skylake i7 6700HQ, 4k UHD display, 512GB NVME) for a couple of days now.