I just had an estimate done for the following build, which will be my next PC (planning on buying within a month). I'm not very up-to-date with PC hardware, and would like to have your input on the choice of parts. The total estimate of this build would be around 2500$ CND (including taxes and extended 1 year warranty). My budget is around 2600$ so this would be just right. I'm planning on keeping this rig for at least another 4 years, so no overclocking. (My current one is that old and is still doing fine, just very outdated).

Motherboard: Asus P9X79 (Socket 2011)
CPU: Intel Core i7 3930K 3.20G/12M (+ stock Intel active fan cooler)
Memory: Kingston HyperX Genesis 1600Mhz DDR3 16G
Video Card: EVGA PCIe GeForce GTX670 2048M DDR5
Sound Card: Sound Blaster Recon3D PCIe, or (more expensive) Asus Xonar Essence STX PCIe
OS: Windows 7 Pro 64bit English
Primary hard disk: 2.5 SATA3 120G OCZ SSD Vertex 3 Series
Secondary hard disk: SATA3 1T Seagate 7200.12 64M (ST1000DM003)
Case: (very standard and nothing fancy) ATX Antec One (Black)
Power supply: 700W ATX Cooler Master Extreme Power Plus
Optical drive: DVD+/-RW LG GH24NS90 SATA (pretty basic stuff...)

I'm planning on installing Windows 7 on the SSD drive, and probably install MWO on it too for optimal performance. How do you think that would run?

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EDIT: Based on all the recommendations I have read in my thread (thank you for that), I changed the build to the following:
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Case: ATX Cooler Master 690 II Advanced USB3 Black
Psu: 750W ATX Cooler Master GX
Motherboard: S1155 Asus Sabertooth Z77
Cpu: Intel Core I5 3570K 3.40G/6M/S1155
Fan: Noctua NH-D14
Memory: Corsair Vengeance 1600Mhz DDR3 16Gb Quad Cl9
Video Card: EVGA PCIe GeForce GTX670 2048M DDR5
Hard Drive: 2.5 SATA3 128.0 Crucial SSD M4
Hard Drive: SATA3 1.0Tb Seagate 7200.12 64M ST1000DM003
Optical Drive: DVD+/-RW LG GH24NS90 SATA DL 24X OEM Black
Keyboard: Razer Lycosa Gaming Keyboard Backlit
Os: Windows 7 Pro x64 DVD OEM EN SP1 1PK

The new price with taxes comes up to 2,092 $, which is a little over 400$ less than the original estimate.

To all the ones suggesting I order from an online store however, that's not gonna happen. I'm not savvy enough to build the PC myself without potentially breaking pins or missing something important somewhere. I need the PC to be built by a pro, so I'm shopping at Microbytes (www.microbytes.com), which has prices actually better than neweggs and directcanada for a lot of items (if not, equivalent or less than a 10$ difference).

I'm also not looking for water cooling, and massive overclocking. That said, the motherboard I picked is apparently able to self-overclock the CPU, so that might be an easy option for me (I'll have to read up on that though, cause I have no clue how that works). That's why I picked a better fan (which is not that expensive anyway).

About the memory, I do need 16Gb. Not for gaming, but to run multiple virtual machines (in VMWare Workstation) on my PC. I'm in IT and like to play around with virtual servers (learning, and work tool). I don't think I'll ever need to upgrade it past 16 though, at least not for a while, but the Z77 supports up to 32G, so it will be possible if I ever want to play with more virtual servers at once eventually.

If any one has any more recommendations about the revised build, let me know! Thanks again everyone