Should I change anything with this build?

hn d15 is better for cooling I think, cause the nh d14 was on par with the h100i so d15 would be better, not the best for overclocking, a asus sabertooth mk1 or mk2 would be better and would fit in with the colour scheme as its a neutral colour and the psu is okay I'd say, maybe get caviar blue instead? Never seen anyone put caviar green in their build :/

If you are waiting for the next GTX88x, it is probably a bit premature to make decisions.

My comments:

1. I have become a bit jaded on the subject of haswell cooling for overclocking.
How high you can OC is firstly determined by your luck in the bin lottery.
I had high expectations from the Devil's canyon parts and their better thermals.
I found out that the thermals really do not matter unless, perhaps, you are a competitive overclocker.
Haswell runs quite cool, that is, until you raise the voltage past 1.25v or so.
Once you go past 1.3v, then you really do need very good cooling to keep stress loads under say 85c.
But, voltages higher than 1.30 are not a good thing for 24/7 usage.
Even if you can handle the heat, how much do you really need that extra multiplier from say 4.4 to 4.6?
My thought is that it is better to use the exotic cooling funds for a quieter and less expensive air cooler.
Anything extra can go to a stronger graphics card for the gamer or a SSD.

2. That said, I prefer air cooling over liquid.
My canned rant on liquid cooling:
------------------------start of rant-------------------
You buy a liquid cooler to be able to extract an extra multiplier or two out of your OC.
How much do you really need?
I do not much like all in one liquid coolers when a good air cooler like a Noctua NH-D14 or phanteks can do the job just as well.
A liquid cooler will be expensive, noisy, less reliable, and will not cool any better
in a well ventilated case.
Liquid cooling is really air cooling, it just puts the heat exchange in a different place.
The orientation of the radiator will cause a problem.
If you orient it to take in cool air from the outside, you will cool the cpu better, but the hot air then circulates inside the case heating up the graphics card and motherboard.
If you orient it to exhaust(which I think is better) , then your cpu cooling will be less effective because it uses pre heated case air.
And... I have read too many tales of woe when a liquid cooler leaks.
google "H100 leak"
-----------------------end of rant--------------------------

I suggest a noctua nh-D15 or phanteks with dual 140mm fans.
Your pc will be quieter, more reliable, and will be cooled equally well.

3. On the ram, buy low profile versions to clear any coolers. Fancy heat spreaders are mostly marketing and are not needed except for record seeking ram overclockers.

4. Nice looking case. I would use the stock fans, at least for starters. It is not clear to me if stock comes with 120 or 140mm fans, and how many. But, if you have at least two 120mm fans as intake, they will deliver sufficient air for cooling your cpu and gpu. The intakes for the cpu and gpu will be similar in size. If possible, use 140mm fans which push more air at lower rpm's. By using intake fans behind air filters, you will have a positive pressure airflow that keeps your parts clear of dust.
5. 650w is probably appropriate, even for a future graphics card. It is not clear to me that the psu you picked is of particularly great quality, merely OK. It is the G2 models tat are good.
This chart might help:
https://community.newegg.com/eggxpert/computer_hardware/f/135081/t/45344.aspx?Redirected=true

If you are waiting for the next GTX88x, it is probably a bit premature to make decisions.

My comments:

1. I have become a bit jaded on the subject of haswell cooling for overclocking.
How high you can OC is firstly determined by your luck in the bin lottery.
I had high expectations from the Devil's canyon parts and their better thermals.
I found out that the thermals really do not matter unless, perhaps, you are a competitive overclocker.
Haswell runs quite cool, that is, until you raise the voltage past 1.25v or so.
Once you go past 1.3v, then you really do need very good cooling to keep stress loads under say 85c.
But, voltages higher than 1.30 are not a good thing for 24/7 usage.
Even if you can handle the heat, how much do you really need that extra multiplier from say 4.4 to 4.6?
My thought is that it is better to use the exotic cooling funds for a quieter and less expensive air cooler.
Anything extra can go to a stronger graphics card for the gamer or a SSD.

2. That said, I prefer air cooling over liquid.
My canned rant on liquid cooling:
------------------------start of rant-------------------
You buy a liquid cooler to be able to extract an extra multiplier or two out of your OC.
How much do you really need?
I do not much like all in one liquid coolers when a good air cooler like a Noctua NH-D14 or phanteks can do the job just as well.
A liquid cooler will be expensive, noisy, less reliable, and will not cool any better
in a well ventilated case.
Liquid cooling is really air cooling, it just puts the heat exchange in a different place.
The orientation of the radiator will cause a problem.
If you orient it to take in cool air from the outside, you will cool the cpu better, but the hot air then circulates inside the case heating up the graphics card and motherboard.
If you orient it to exhaust(which I think is better) , then your cpu cooling will be less effective because it uses pre heated case air.
And... I have read too many tales of woe when a liquid cooler leaks.
google "H100 leak"
-----------------------end of rant--------------------------

I suggest a noctua nh-D15 or phanteks with dual 140mm fans.
Your pc will be quieter, more reliable, and will be cooled equally well.

3. On the ram, buy low profile versions to clear any coolers. Fancy heat spreaders are mostly marketing and are not needed except for record seeking ram overclockers.

4. Nice looking case. I would use the stock fans, at least for starters. It is not clear to me if stock comes with 120 or 140mm fans, and how many. But, if you have at least two 120mm fans as intake, they will deliver sufficient air for cooling your cpu and gpu. The intakes for the cpu and gpu will be similar in size. If possible, use 140mm fans which push more air at lower rpm's. By using intake fans behind air filters, you will have a positive pressure airflow that keeps your parts clear of dust.
5. 650w is probably appropriate, even for a future graphics card. It is not clear to me that the psu you picked is of particularly great quality, merely OK. It is the G2 models tat are good.
This chart might help:
https://community.newegg.com/eggxpert/computer_hardware/f/135081/t/45344.aspx?Redirected=true