I want a laptop out of Argos, but I don't know which one to get :$. Help♥?

hi i m computer engineer buy the Dell N5010 its latest model COREi3 intel board 2 GB of ram 320 GB hardrive maximum price of this laptop is 500 dollars if u want more expensive the buy sony vavio COREi5 its maximum price is 1100 dollars i m from pakistan i dont about london products.. any ways its best laptops right now.