And he/she does invite forum users to get in touch with further questions too.
You may have done this already, but you can always ask PCS what the model of the panel they are using is at the moment, and look up reviews of laptops with that panel.
Este Defiance V RTX de 17,3” pulgadas es un equipo puramente gaming pero que se aleja de los diseños gruesos y pesados para ofrecer un portátil ligero pero con toda la potencia que ofrece el Core i7-8750H de seis núcleos y 12 hilos acompañado de toda una GeForce RTX 2070 en su configuración Max-Q.
www.geeknetic.es
though i've not checked to see if they talk about response times either with measurements or qualitatively.