Help building a computer...?

I'm thinking about building a computer but I've never done it and have no clue what i need. Right now the things i have are... -NZXT Crafted Series Phantom Black/Green Steel / Plastic ATX Full Tower Computer Case -Western Digital WD Black WD1002FAEX 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal... show more I'm thinking about building a computer but I've never done it and have no clue what i need. Right now the things i have are...
-NZXT Crafted Series Phantom Black/Green Steel / Plastic ATX Full Tower Computer Case
-Western Digital WD Black WD1002FAEX 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
-ASUS Crosshair V Formula-Z AM3+ AMD 990FX SATA 6Gb/s USB 3.0 ATX AMD Gaming Motherboard with 3-Way SLI/CrossFireX Support
-EVGA SuperClocked w/ ACX Cooling 02G-P4-2774-KR GeForce GTX 770 2GB 256-bit GDDR5 PCI Express 3.0 SLI Support Video Card
-CORSAIR HX Series HX850 850W ATX12V 2.3 / EPS12V 2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Modular Active PFC
-CORSAIR Vengeance Pro 16GB (2 x 8GB) 240-Pin DDR3 SDRAM DDR3 1866 Desktop Memory Model CMY16GX3M2A1866C9B (Blue)
-Intel Core i7-4770K Haswell 3.5GHz LGA 1150 84W Quad-Core Desktop Processor Intel HD Graphics BX80646I74770K
-Corsair Neutron Series GTX 2.5" 120GB SATA III Internal Solid State Drive (SSD)

Keyboard and mouse: RAZER DeathStalker Ultimate Elite Gaming Keyboard & RAZER Naga Hex Wraith Red Edition.

I don't really have a budget, i just want to have a great gaming computer and then Ill save for the money. I don't know if I have everything i need and I would like some feedback on the items.

Thanks Everyone :)
4 answers 4