To start off... the most important question is;
1. Heavy Gaming or occasional?
2. Are you planning to overclock? - This changes things.... a lot.
3. www.newegg.com has some better prices than what you listed. Check it out
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CPU: Your CPU is good. People may tell you to go with 2500k or 2550k but clock for clock the 3570k is faster (basically when both cpu are set to same clock speed the 3570k is still faster lolz) But it does create more heat than the 2500 series. So you will need good cooling
COOLER: The CPU cooler has good review, I personally go for something more in the 80$ range when I buy my coolers... Either way it does not look like a bad choice.
IF you overclock, I suggest the Corsair h80 or h100 if you have the budget.
RAM: I dont think you need the 2133mhz ram, BUT .. THE PRICE IS RIGHT
for most things you dont even need more than 8gb so that's good.
MoBo: not a bad choice, I personally like Asus. Im doing a new build as well, and I took the Asus Maximus Formula V.
If you are overclocking, the gigabyte is ok, but if you do NOT wish to... then you could save 100$ or so by going with a more standard mobo.
GPU: Your choice looks pretty good, but ppl will tell you to go with 660ti. I say... GO WITH the 7950
Although I would rather take the Gigabyte 7950 it comes with
3 year warranty and
3x cooling fans.
Good gaming/overclocking set.
Case: I'd say.... find a FULL TOWER. the video card is going to be HUGE, and the CPU cooler is TALL.... cramping that much stuff into a small case does not make much sense, although you can probably do it. More popular one for this is the CoolerMaster HAF tower....
i got coolermaster Trooper... HOLY *** iTS SO COOL xD. Also if you have front USB ports on it.... make sure you get 3.0 usb since everything is going to move forward.
PSU: I suggest you get a
MODULAR cable PSU. one of the cheaper options is OCZ OCZ-ZT650W ZT or maybe you could find another brand i just gave an example. I had an OCZ PSU. it never gave me problems but died after 3.5years. if you look at Corsair PSU they give a long warranty but they are pricey.
but the
650watt should be enough for your build. And the modular cables will make your case look neat and easy to manage.
STORAGE: I guess you can't go wrong with the SSD. BUT look up some tweaking for it (basically how it writes information and so on).
OS: you may be able to find some on special at this time of year, like a Win8 im talking about. From what ive heard, i did not research this, the win8 has a newer directX available which will make your investment last longer, since newer games later on will be supported better.