NEW CAD/Gaming rig

[A12MO12]

Approximate Purchase Date: Likely next week

Budget Range: $2300-2600 CAN

System Usage from Most to Least Important: Design programs(AutoCAD, solidworks, programming, Maple Sim, Mat lab, circuit analysis software), gaming, movies

Are you buying a monitor: I have a 1920x1080 monitor

Parts to Upgrade: Everything except peripherals already got mouse, keyboard, headset, monitor and speakers.

Do you need to buy OS: Yes

Preferred Website(s) for Parts: Newegg.ca, tiger direct, amazon

Location: Ontario, Canada

Parts Preferences: Nividea GTX 680 for GPU and an i7 processor. Undecided wether to get water cooling or just use fans.

Overclocking: yes

SLI or Crossfire: maybe

Your Monitor Resolution:1920x1080

Additional Comments: would likely prefer water cooling since i will probably be overclocking and getting a second gpu or upgrading it in the future.

And Most Importantly, Why Are You Upgrading: Have an ancient 5 year old lap top that is as slow as molasses, need something that will last me a good 3-4 years.

This is what I am looking at so far:
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Case: Corsair Obsidian 800D/ NZXT Switch 810/ up for suggestions I want a big sturdy case with lots of room, good cable management and possibility of water cooling.
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CPU: Intel i7 3770 ivy bridge / up for suggestions here but I am looking for performance
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GPU: Nividea GTX 680 (only planning on using 1 monitor, might upgrade it in the future to a bigger higher resolution one so a quality GPU is in my best interest.)
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PSU: Not really sure, I was thinking a 750W with a gold rating one for future overclocking and SLI.
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HDD: at least 1TB and probably cavalier green or baracuda brand
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RAM: looking for 16G of RAM and it has to be low profile
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SSD: enough to hold my OS and maybe a few programs(80-120G)
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Optical Drive: Blue ray player/writer
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MOBO: Not sure but it has to be compatible with i7 and GTX 680
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Cooling: Not really sure if I will need extra fans or water cooling kit, suggestions are welcome.

random things: Dust filters for fans and maybe thermal paste

 

[A12MO12]

still could use some suggestions

 

[simonb530]

Here is a rough build. Maybe some one with more experience can comment.

CPU: I7-3770K
CPU Cooler: Corsair H100
MB: Asus Sabertooth Z77 (could get a cheaper board ASRock Z77 Extreme 4 save $100)
Ram: Corsair Vengeance 4 x 4gb - 16gb DDR3-1600
SSD: Corsair Force Series GT 120gb (not sure havent bought or used a ssd yet)
HDD: Seagate Barracuda 1TB 7200RPM
GPU: Asus GeForce GTX 680 2GB
Case: Cooler Master HAF 932 (Massive case plenty of room Full tower but almost super tower size)
PSU: CORSAIR HX Series HX750 750W ATX12V 2.3 / EPS12V 2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply
Optic Dive: ASUS BW-12B1st
OS: Windows 7 home 64 bit


http://pcpartpicker.com/p/eke6

$1888 (rough cost could be cheaper using bundle deals from newegg)

 

[A12MO12]

I'll look into the components but it's good to finally get some suggestions

 

[A12MO12]

could still use some suggestions.