Looking for a comp

Hi cf, i'm looking for a laptop. (I prefer http://www.materiel.net/ to buy it)

I got €800, for gaming. Can u tell me witch one is a good buzinessss, Haven't so much skillz to choose a laptop.

Tanks u

PS : I'm looking for it http://www.materiel.net/ordinateur-portable/acer-aspire-5755g-2674g1tmn-74571.html