Help on which laptop to select!

Hi, trying to figure out which laptop to get and am a bit confused on which one I should go for.

Product Number: 9S7-176212-494
Starting at
$1,599.99


GT70 0NC-494US
• Windows 8
• Intel® Core™ i7-3630QM Processor
• 17.3" Full HD Anti-Reflective Display (16:9; 1920 x 1080)
• NVIDIA® GeForce® GTX 670MX 3G GDDR5
• Exclusive TDE Technology (GPU Overclocking)
• Full-Color Programmable Backlit Keyboard by SteelSeries
• Killer™ Game Networking
• MSI Cooler Boost Technology
• World-Class Dynaudio Premium Speakers
• 750GB Hard Drive (7200RPM)
• 12GB DDR3 1600MHz System Memory
• DVD Super Multi
• USB 3.0 x 3; USB 2.0 x 2; HDMI Output
• Built-in 720p HD webcam
• Audio Boost Technology
• 802.11 b/g/n Wireless LAN with Bluetooth.

or

http://www.ibuypower.com/Store/Battalion_101_W370ET_Gam...

I can build that one with extra upgraded ssd and such but the msi says cooler boost tech not sure what that is but sounds good?


My last pc was a asus g72gx and always had overheating problems and had to take in 3 times in 3 years the first with the whole backside melting.