Dell Latitude E7270 / E7370 ultralight notebooks with Linux pre-installed.
Wonderfully light and easy to carry full-featured Linux ultra-portables.
The Koala E7270 has a 12.5" 1920x1080 FHD screen.
The Koala E7370 has a 13.3" FHD LCD;
Both use Intel's 6th Generation Core i5 and i7 CPU's, and are available with SSD
drives and GOBI mobile broadband options (that work in Linux of course).