That's what i got so far, not sure if it's the best, been looking through a couple of threads and seeing what other people are saying. I want a nice looking case and i'll need a lot of storage since i'll be recording a lot of gameplay for my games. My budget is around 1.8k - 2k, and also what's the difference between an i7 and i5?
Rosewill CAPSTONE-650 (its a good brand psu the capstone, it's gold plus certified) if one card need and not planning to crossfire(if for multi-gpu i'd prefer a 670 or 680 gtx sli).
Also if your planning to do video editing, stick with the i7 and a better mobo (extreme 6 is not much expensive vs extreme 4).
The monitor you have is a good one, i wouldn't change it for worse.
Go with a samsung 830 256 sdd and a hdd seagate 2TB 7200 rpm.
Also no need to change the gfx card.
As for the case, there are two really good one : nzxt phantom white or corsair 500r white.