From what I could see from some videos is one of its weakest points. The input device (in my opinion) in this case has to be excellent, I wouldn't care to pay a bit more for this. I would sacrifice the gaming buttons for a bigger regular keyboard and use a trackpoint instead of a tiny trackball.
The thing with the trackpoint is that almost requires no lift of hands from the keyboard, it takes a bit getting used to but in my opinion is one of the best input devices that a notebook or small computer can have.
The devterm seems to follow the Dynabook layout which I think is great, if you could also bend a bit the screen a that would be terrific.