Buy a laptop

[Montana"]

Hi,

I'm planning to buy a laptop, but I'm in experienced with the brands etc.
So I'm doubing about a couple of laptops, I buy them for gaming purpose.
I can only choose a laptop by the way so no desktops.

Laptop1: Asus N53JQ-SZ191V
cpu: intel i7 740QM 1,73ghz
videocard: nvidia geforce gt 425m 1gb
ram: 4gb 1066mhz
screen:15,6" 1920x1080
Hdd: 500GB 5400rpm
Price: €999,-
link: http://www.laptopshop.nl/product/111940/...ifications

Laptop2: Dell xps 17
cpu: intel i7 740QM 1,73ghz
videocard: nvidia geforce gt 445m 3gb
ram: 4gb 1333mhz
screen:17" 1600x900
Hdd: 500GB 7200rpm
Price: €979,-
link: http://www.dell.com/us/p/xps-17/pd?oc=dn...ps-17&~ck=

Laptop3:Asus N53SV-SZ016V
cpu: Intel Core i7 -2630QM 2.0Ghz
videocard: nvidia geforce gt 540m 1gb
ram: 6gb 1066mhz
screen:15" 1920x1080
Hdd: 640GB
New price: €999,-
Old price: €1099,-
link: http://www.bol.com/nl/p/computer/asus-n5...ifications