Which Is Better Gaming Laptop?

Hey guys, I’m wanting to purchase a good gaming computer, but i cannot really decide on my rig i wanna get, It’s between a Asus G74SX and a custom OriginPC, Anyhow, Here are the spec for both.
ASUS G74SX
Processor Brand Intel®
Processor Intel® 2nd Generation Core™ i7
Processor Speed 2.0GHz (with Turbo Boost up to 3.1GHz)
Battery Type 8-cell lithium-ion
Display Type High-definition widescreen LED-backlit
Screen Size (Measured Diagonally) 17.3″
Cache Memory 6MB on die Level 3
System Memory (RAM) 8GB
System Memory (RAM) Expandable To 16GB
Type of Memory (RAM) DDR3
Computer Hard Drive Size 1TB
Optical Drive Double-layer DVD±RW/CD-RW
Optical Drive Speeds Drive speeds not specified
Direct-Disc Labeling No
Digital Media Reader or Slots Yes, digital media card reader
Graphics NVIDIA GTX 560M
Video Memory 2GB
TV Tuner No
MPEG Yes
Built-in Webcam Yes
Modem None
Networking Built-in 10/100/1000 Mbps Fast Ethernet LAN (RJ-45 connector)
Wireless Networking Wireless-B+G+N
Bluetooth-Enabled No
S-Video Outputs None
Audio 3D audio with EAX Advanced HD 4.0
Speakers Internal
PCMCIA Slots None
USB 2.0 Ports 1 USB 3.0; 3 USB 2.0
IEEE 1394 FireWire Ports None
Parallel Ports None
Game Ports None
Laptop Weight Standard (more than 5.5 lbs.)
Battery Life Up to 3 hours and 36 minutes
Pointing Device Wide touchpad
HDMI Output Yes
Blu-ray Player No
Operating System Platform Windows
Operating System Windows 7 Home Premium
System Version 64-bit
ENERGY STAR Qualified Yes
Best Buy PC App Yes
Graphics Chip NVIDIA
Wireless Capability 4G WiMAX
Backlit Keyboard Yes
Drive Capacity 1TB
Graphics Card NVIDIA GTX 560M
PRICE: $1,249.99
OriginPC
Customizations:
The ORIGIN Difference: Truly Custom PCs. Want a component that is not on our site? Call or email us and we will include it in your system.
Included
Laptop Exterior: Laptop Exterior: No Paint
Chassis and Primary Display: EON17-S platform with B3 stepping – 1920 x 1080 17.3″ LED Backlit Glossy Screen
Included
Graphics Card: Single 1.5GB GDDR5 NVIDIA GeForce GTX 560M (1.5GB of Total GFX)
Included
ORIGIN Professional Graphics Card Overclocking: ORIGIN Professional Graphics Card Overclocking
$50.00
3D Glasses: None
Included
Processor: Intel Core i7-2760QM Quad-Core Processor (2.40GHz), 6MB Cache
$174.00
Memory: 8GB Dual-Channel DDR3 1333MHz (2 X 4GB)
$22.00
Optical Drive: 8X DVD+/-R/RW/4X +DL Super-Multi Drive
Included
Playback Software: None
Included
RAID Configuration: None
Included
Hard Drive One: 1TB SATA 3.0Gb/s, 5400RPM, 8MB Cache HDD
$78.00
Hard Drive Two: None
Included
Audio: Integrated High-Definition Audio with THX TruStudio Pro and up to 7.1 Channel support
Included
Networking: Killer Wireless-N 1103 – Gaming Network Card (Bluetooth on EON17 only)
$44.00
Web Camera: Built-in 2.0 Megapixel Video Camera
Included
Operating System: Genuine MS Windows 7 Home Premium 64-Bit Edition
Included
Warranty: 1 Year Part Replacement and 45 Day Free Shipping Warranty with DVD image and Lifetime Labor/24-7 Support
Included
No Dead Pixel Guarantee: No Dead Pixel Guarantee
Included
ORIGIN Maximum Protection Shipping Process: Standard Packaging
Included
PRICE: $1,958.00
Any help would be appreciated, Also if possible, Please explain why i should go with either Asus or the OriginPC