Meet the GPD Pocket: a compact PC powered by a quad-core processor, 4 GB RAM, and 128 GB storage space that runs Ubuntu and Windows. It has a 1920×1200, 7 inch display and runs for up to 12 hours on battery. The machine also has Bluetooth and WiFi.
GPD Pocket weighs 480g. It has a QWERTY keyboard and touch interface. You can get yours for as low as $399.