hi can i ask you guys opinion

i left with 2 choice dunno which one to pick
between asus k46cb vs lenovo g400s

can i know what you think about this two laptop
i like to play games which makes me decide to choose asus (better graphics) but i like design of lenovo plus lenovo got 1tb hdd and 4gb ram compare to asus which got only 2gb ram and 720gb

and is it easy to open this laptops fan?

Hey can i know how long certain model of laptop stay in the market? any pro know?