enlarge image Lenovo Thinkpad X220t Series NYK26ZA (4296-26G) Black Ultraportable convertible tablet, Intel Core i5 Sandy Bridge Dual Core i5-2520M 2.5Ghz 3MB L3 Cache Processor, 4096MB DDR3-1333 SO-Dimm Memory (1x4096), 320GB 7200rpm SATA Hard Drive, No Ultrabase, 12.5" WXGA HD (1366 x 768 resolution) Non Gloss Type Gorilla Glass LED Backlit Display, Intel HD graphics, 802.11a/g/n Wireless Lan, 10/100/1000 Gigabit Ethernet LAN, Bluetooth, Webcam, 4 cell battery, Fing…