Laptop should really only be billed at desk if achievable. Historically my software toolbox has been as small as feasible. They work perfectly with each and every distro, have a respectable webcam and intel wifi card capable of 5Ghz WiFi. The 2 in T420/T520/W520 refers to 2nd era of Intel main collection of processor (Sandy Bridge). And, they are the very last era of the first 7 row IBM keyboard.