CPU: Intel Core i7 4770K - NCIX, Amazon US
Cooling: Noctua NH-U12S - NCIX, Amazon US
SSD: Samsung 840 Evo 250GB - NCIX, Amazon US
Hard Drive: WD Red 3TB - NCIX, Amazon US
Motherboard: ASUS Z87 Pro - NCIX, Amazon US
Case: Fractal Design Define R4 Window - NCIX, Amazon
Video Card: Radeon R9 290 - NCIX, Amazon
RAM: 16GB Corsair DDR3 1866 - NCIX, Amazon
Power Supply: Corsair TXM 750W - NCIX, Amazon
Optional Stuff:
Video Card: GeForce GTX 780 - NCIX, Amazon
NVIDIA Shield - This will be available from most reputable retailers for $200 with your GTX 770. You may also need a better router to go with it. (because the graphics card comes with a nVidia shield discount, optional)
OS: Windows 8.1 - NCIX, Amazon