Solved! Alienware M17x vs Clevo X8100 vs Asus G73JH vs MSI 1727 (MSI GX 740)

[zodiac321]

Ok, basicly i need a new gaming laptop, but cant decide.

I would like to know the following:
1) Is Crossfire 5870M really much more powerful than a single 5870M?
2) If Alienware is chosen, am I able to upgrade myself through AW? (meaning i can install the parts myself like replace a Graphics card)
3) Quality of the laptops' speakers mentioned above?
4) Will AW send me a second HDD bracket on request?
5) Is Intel Centrino really that much better than Dell's cards or another?

M17x specs
1200p screen
CFX 5870M
Core i7 720QM
Wireless 1520 Dell card
4 GB RAM
http/configure.us.dell.com/dellstore/config.aspx?c=us&cs=19&l=en&oc=DKDWBV1&s=dhs

Clevo X8100/ Origin PC EON 18
1080p Screen
CFX 5870M
Core i7 740QM
4 Gb ram
WIFI link? wireless card
http/www.originpc.com/eon-gaming-laptop-features.asp

MSI GX740/1727 barebone
http/www.newegg.com/Product/Product.aspx?Item=N82E16834152192&cm_re=gx740-_-34-152-192-_-Product
It will be this laptop, but with a matte finish, and will have a 740QM

ASUS G73JH
http/www.newegg.com/Product/Product.aspx?Item=N82E16834220695
essentially this laptop but only with 4GB ram

Things i could care less about: Battery life, weight and obviously the fact that a desktop is cheaper to build/maintain/upgrade

Games: Fallout 3, GTA IV, COD:MW2, Crysis, Left 4 Dead, Left 4 Daed 2. I would like to run these at mid to high graphics, and be able to run most new games when they come out like Fallout New Vegas

 

[buwish]

Have a look at this link in answering your first question:

http/www.notebookcheck.net/Mobile-Graphics-Cards-Benchmark-List.844.0.html

I'm unsure of what Alienware/Dell's policies are in regard to sending brackets or upgrades, you'd probably have to call them and ask.