Well with the thinkpads and other business-centric laptops you tend to get the advantage of modularity as well. Keyboards, screens, hard drives, RAM, batteries,

Well with the thinkpads and other business-centric laptops you tend to get the advantage of modularity as well. Keyboards, screens, hard drives, RAM, batteries, and optical drives can all be replaced fairly easily on Dell Latitudes and Lenovo Thinkpads. (The ones I've had at least.) On a Macbook, replacing the RAM and hard drive are the only ones I know to be fairly simple.