This Linux machine weighs less than 3 pounds and can be configured with various Kaby Lake processors, including the Intel Core i7-7500U, up to 32 GB RAM, multiple storage options, and more. The prices start at $899 USD and can go much higher, depending on the hardware setup.
http://www.notebookcheck.net/System76-Galago-Pro-Ubuntu-laptop-now-up-for-pre-order.213568.0.html