Student/Gaming Laptop

hi there,
looking for something special about gaming/student usages /good stability and mobility/ long battery life
i dont want a heavy , big laptop cause of the gaming usage. i want best,smallest,most featured laptop for the specified budget.

1_What is your budget?
below $1,300

2_What is the size of the notebook that you are considering?
Small As Possible ( very good mobility )

3_What screen resolution do you want?
enough for gaming (dont know)

4_Do you need a portable or desktop replacement laptop?
Desktop Replacement Laptop.

5_How much battery life do you need?
At least 4 hours

6_Do you want to play games with your laptop? If so then please list the games that you want to with the settings that you want for these games. (Low,Medium or High)?
Yes! Call Of Duty 5,Assasins Creed,Devil May Cry4,Prince Of Persia, ... (High Setting)

7_What other tasks do you want to do with your laptop? (Photo / Video editing, surfing the web, playing music, watching movies, Etc.)
Surfing the web, Playing Music, Programming, Photo Editing

8_How much storage (H.D.D Capacity) do you need?
Anything over 150GB should be fine.

9_If you are considering specific sites to buy from, please post the links to them.
nothing in mind.

10_How long do you want to keep your laptop?
At least 24 months.

11_If you would like to mention some other things about purchasing your ideal laptop, post them.
I'll buy from any responsible brand if it is a well built machine with good stability

12_Please tell us about the brands that you prefer to buy from them and the brands that you don't like and explain the reasons.
Dell,Sony,HP

13_What country do you live in?
Iran (Middle East Asia)

ok, i have no choice...
lets avoid laptop size and weight! i need gaming on high setting.
so there is any option with my budget ?