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I am looking at going with my first Intel build in about 10 years and below is what I have come up with. Any input would be appreciated.
Motherboard
http://www.newegg.com/Product/Product.aspx?Item=N82E16813188092
Processor
http://www.newegg.com/Product/Product.aspx?Item=N82E16819115070
GPU
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130590
PSU
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139011
RAM
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231460
Heatsink
http://www.newegg.com/Product/Product.aspx?Item=N82E16835118003
Comments
Case? Optical drive? Hard drive? SSD? OS?
The motherboard is very large, and won't fit most cases. It also makes no sense unless you're going for 3-way SLI, which itself makes little sense.
1866 MHz DDR3 for Sandy Bridge is a waste of money.
I currently have a full tower and i'm either going to reuse the same one or go with a new with; thinking about the one below. I will be doing SSD, but still up in the air on which drive and i'll be stealing the dvd drive i'm currently using, since there is nothing wrong with it. I am still not real sure about the Mobo, any suggestions would be appreciated. I will be going SLI in the future, just not right away with the build.
G.SKILL Ripjaws X Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 2133 (PC3 17000)
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231476
COOLER MASTER HAF X RC-942-KKN1 Black Steel
http://www.newegg.com/Product/Product.aspx?Item=N82E16811119225
http://www.anandtech.com/show/4503/sandy-bridge-memory-scaling-choosing-the-best-ddr3/1
Anything over 1600 MHz is a waste of money. You'd be paying an extra $60 for a performance improvement that basically constitutes a rounding error. Look how many tests the 2133 MHz memory doesn't even win in. Rounding errors. AIDA is a synthetic memory benchmark, so ignore that and look at the other tests.
If you're not going to buy two cards in SLI up front, then don't plan on going SLI later. As Southern Islands approaches (due out this year), the GTX 580 is nearing the end of its life as a high end card. With Fermi such a disaster, there is a good chance that Nvidia will see a huge jump in performance with Kepler, if only because it's easier to improve on something bad than on something good. By the time you look into adding the second card, it will probably be more sensible to replace the GTX 580 by one new high end card than adding a second GTX 580.
If you've got a good case, then there's no need to replace it unless you need to keep the old computer functional. The same goes for an optical drive that still works. But I would like to see what case you have. You seem to be after high end parts, but sometimes people who think they have something really nice, don't.