Gaming/editing/colour grading build

El_Mayo

Distinguished
Feb 3, 2009
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Building a computer for mainly gaming, but amateur colour grading (1080p, no SDI monitor) and editing on the side. Here's my current parts list:

http://uk.pcpartpicker.com/user/El_Mayo/saved/x8hj4D
The main thing I'm unsure about is the motherboard:
Will it overclock a 4790K well? I saw a very cheap board here that supports Crossfire, but I'm not sure if this board will be any good at this price? Will it overclock well? I don't mind changing graphics cards to a (cheaper) R9 280X...

let me know what you guys think, where I should save money and where it would be better spent etc. budget is £850 max