10. Sony Vaio Pro 13
With claims that it's the world's lightest 13.3-inch touch Ultrabook, Sony's Vaio Pro 13 featherweight is just 0.68 inches thin and tips the scales at just 2.34 pounds. Starting at $1,249 in silver or black, this sleek unit is wrapped in carbon-fiber and offers options for Intel's 4th-gen Core i7 Haswell, a 512-GB SSD and Windows 8 or Windows 8 Pro. The base price includes a 1,920-x-1,080 (full-HD) IPS display, backlit keyboard, SD card reader, two USB 3.0 ports, and full-size HDMI port. Wireless radios on board are Bluetooth 4.0, NFC and Wi-Fi with Wi-Di support. There's also the Vaio Pro 11, an 11-inch version that weighs less than 2 pounds.