It is good but bit expensive, Dell 7559 has almost same specs but much cheaper, even Dell 4k model is far better deal. Check out this video, Although they're comparing Dell i5 model but to me 4k model is the ideal one to get. Also check HP Omen 2016 version, not the old one.
https://www.youtube.com/watch?v=OuOjyZJlSDE