Get a thinkpad, preferably T-series. Avoid ones with no physical trackpoint buttons. The Trackpoint is on par with a Mac trackpad for a mobile pointing device.

Get a thinkpad, preferably T-series. Avoid ones with no physical trackpoint buttons. The Trackpoint is on par with a Mac trackpad for a mobile pointing device. The T420 is an older model that's incredibly good and tough for what it is, and can be got for under $200. The T440 is also a fantastic option for a slightly higher price.