ThinkPad E460 with Ubuntu 17.04 is very good.
Finally I got ThinkPad E460. E450 that is previous model did not have IPS Display option, but E460 has it.
I got a ThinkPad E460 for speed up my developing activity. And this entry shows you gradle build spending time camparison ThinkPad E460 with X250.
I don't like the word of Thinking Support Tool.