Unsure of my laptop build

[Kiddona]

Trying to convince myself to buy a laptop. Purchasing from xoticpc. The laptop will be for everything from work, to playing movies/music, to gaming.

Specs:

MSI GT70 0NC-008US

-17.3" FHD 16:9 "Matte Type" Super Clear Ultra Bright LED Matte Screen (1920x1080)
-i7-3630QM
-nVidia GeForce GTX 670MX 3,072MB PCI-Express GDDR5 DX11 with Optimus
-16GB DDR3 1600MHz (Kingston HyperX CL9 Dual Channel Memory (2x8GB SODIMMS))
-750GB 7200RPM 16MB Cache Buffer (Serial-ATA II 3GB/s)
-128GB Samsung 830 Series Solid State Drive
-Combo Dual Layer SuperMulti DVDRW/CDRW Drive w/ Software
-Internal 7-in-1 Card Reader
-Intel® Advanced-N 6235 - 802.11A/B/G/N Wireless LAN Module + Bluetooth 4.0+HS Combo Card (Dual Band)
-Integrated Digital Video Camera
-Sound Blaster Compatible 3D Audio - Included
-Smart Li-ion Battery (9-Cell)
-Stock MSI SteelSeries™ Chiclet Backlit Keyboard
-WINDOWS 8 - 64-Bit (Pre-Installed + Drivers & Utilities Disk)

Also comes with a free carrying case and free IC Diamond Thermal Compound.

Questions: Is it worth $1718?; is Windows 8 decent yet?; should I change anything?

 

[Maziar]

Since your main usage is gaming,I'd go with GTX 680M
And yes,it's worth it.GT 70 is one of the best gaming laptops today.
In terms of performance,Windows 8 is identical to W7(even better in some cases).