Is this a good Alienware M17x set-up?

I will be getting a new Alienware M17x laptop and I customized it a little, so I want someone to tell me if it is a good set-up for gaming.

http://configure.us.dell.com/dellstore/config.aspx?oc=D...

CPU: Intel Core i7 2760QM 2.4GHz (second option)

Operating System: Windows 7 Home Premium (Until Windows 8 comes out)

RAM: 8GB Dual Channel DDR3 (third option)

Video Card: AMD Radeon 6990 (third option)

Hard Drive: 500GB 7200RPM (first option)

LCD Panel: 17.3-inch WideFHD 1920 x 1080 60Hz WLED (second option)

Wireless Card: Killer Wireless-N (second option)

Wireless HD: none

Internal Optical Drive: Blu-Ray (second option)

Ok, let me know what you think.