As a user of X31, X41, X301, I expect that X220 or X1 will give you resistance to direct spills on the keyboard, and accidental dropping to the floor and conven

As a user of X31, X41, X301, I expect that X220 or X1 will give you resistance to direct spills on the keyboard, and accidental dropping to the floor and convenient experience. But wouldn't try any GPU development there. If you want fast compile times you may also want to move something with faster CPU - X series always had slower ULV.