I'm a graduate student in math and my laptop recently broke and I'm getting a replacement using department funds. I'm trying to determine the likely resale value in order to make the best call. Right now I'm deciding between an up-configured Thinkpad L ($1270 w/warranty) and a base 11,2 Macbook Pro (the current $2,000 model). A major part of the Macbook Pro's value is its value retention. Either the Macbook or the Thinkpad is a computer that can be expected to last at least 5 years with proper care, but the Thinkpad will not have a high resale value - the Thinkpad would probably be kept as a loaner computer by the department, whereas the Macbook would most likely be sold and part of the proceeds used for a new loaner. What do you think the resale value of the Mac will be in 20 months with 16 months of remaining warranty coverage? Or in three years with no remaining warranty coverage?