System76 sells laptops running Ubuntu, an open-source Linux distribution. The company has recently started selling modern notebooks with Kaby Lake CPUs and the latest graphics cards from NVIDIA.
http://www.notebookcheck.net/Linux-on-Kaby-Lake-System76-now-offers-7th-generation-Intel-CPUs-and-NVIDIA-GTX-10-series-GPUs.197886.0.html