First time build 500-700$ budget gaming PC.

Hi this is my first post here.

Will be used for : gaming, HD video.

CPU: Intel core i5-2500k

HDD: Seagate Barracuda 1TB or Spinpoint F3 1TB

GPU: Sapphire HD 5570 or HD 5670

PSU: Corsair TX 650 W or some other cheaper.

Case: haven't decided yet but it will most likely be from CoolerMaster

RAM: Compatible with the motherboard at 1600 MHz probably Kingstone hyperx
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Motherboard:

Now this is the hard part - I want motherboard that i reliable overclockable, durable, has onboard graphics and support SLI and CrossfireX - at least 2 graphic cards.

MB Gigabyte Z68A-D3-B3 LGA1155 DDR3 2133MHz SATA3 USB3.0 Ultra Durable3

These are the motherboards available to me for purchase.

Overclocking: - in the future.

Monitor resolution: 1024x768 for now later higher.

Gigabyte Z68A-D3H-B3
Gigabyte Z68X-UD3-B3
Gigabyte Z68XP-UD3
Gigabyte Z68XP-UD3P
Asus P67 Sabertooth
Asus P8P67 LE
ASUS P8H61
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I am more for the gigabyte boards although I know MSI Asus and recently ASrock are used in budget gaming builds as well as high price builds.

Thanks in advance