Some questions:
Are you planning on overclocking?
What is the heaviest resource game you plan on running on this and at max settings?
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As far as the build goes, it all looks good. The video card should be plenty.
I generally build AMD's myself vs Intel's. With using a Western Digital drive though, I'd save your important data backed up to another drive. Just saying this because I have had a few bad experiences with Western Digital drive problems.
The good thing with your build is that if later you need more processing power you can upgrade to an 8-core such as the AMD FX-8350. I have a newer build with a socket AM3+ motherboard and the cool thing is that I was able to place my Athlon II x4 620 2600Mhz socket AM3 CPU into it from my prior gaming system, and place a $10 dualcore into my old socket AM2+ gaming system, until I get a 8-core which i plan on getting when i have $170 to spend or a better deal on one. This then will allow me to place the quad core back into the old gaming system and retire the used Athlon x2 4450B which i have overclocked to 2.53Ghz from a normal 2300Mhz clock. Surprisingly that $10 ebay purchase for the dual core is able to play all the games I throw at it really well, although Skyrim is probably the most complex resource heavy game I have with World of Warcraft being the most frequently played game.
