The best I can do is go by the anecdotal comments from this article: http://www.theverge.com/2016/2/1/108...the-divergence
I'd also be worried about getting both screens to work correctly and talk to each other.And she uses the touchscreen constantly. It is her primary input method; she hates trackpads. When I was still planning to buy her a MacBook, she insisted that I buy her a mouse as well. I might still buy her one for the Pixel, because there's a lot of clicking to be done on her work system, but the touchscreen is letting her get around the web extraordinarily well. It has completely changed my opinion about the value of touchscreens on laptops.