Hello again, Computer Forum.
My specs are as follows:
Operating System
MS Windows 7 64-bit
CPU
Intel Core 2 Quad Q6600 @ 2.40GHz
Kentsfield 65nm Technology
RAM
6.00 GB Dual-Channel DDR3 @ 533MHz (8-9-9-25) (Two 2GB and two 1GB sticks.)
Motherboard
ASUSTeK Computer INC. P5E3 Deluxe (LGA775)
Graphics
NS-L322Q-10A (1920x1080@60Hz)
ATI Radeon HD 4870 X2 (ATI)
CrossFire Disabled
Hard Drives
488GB Western Digital WDC WD5000AAJS-22TKA0 ATA Device (SATA)
977GB Western Digital WDC WD10EACS-00D6B1 ATA Device (SATA)
977GB Western Digital WDC WD10EACS-00D6B1 ATA Device (SATA)
977GB Western Digital WDC WD10EACS-00D6B0 ATA Device (SATA)
977GB Western Digital WDC WD10EACS-00ZJB0 ATA Device (SATA)
Optical Drives
HL-DT-ST DVDRAM GSA-H10L ATA Device
Audio
SoundMAX Integrated Digital HD Audio
Power Supply: 1000W
I will be buying the following upgrades from Newegg:
2x http://www.newegg.com/Product/Product.aspx?Item=N82E16820231428
http://www.newegg.com/Product/Product.aspx?Item=N82E16813131791
http://www.newegg.com/Product/Product.aspx?Item=N82E16819115072
What graphics card would you recommend for a $300 budget?

My specs are as follows:
Operating System
MS Windows 7 64-bit
CPU
Intel Core 2 Quad Q6600 @ 2.40GHz
Kentsfield 65nm Technology
RAM
6.00 GB Dual-Channel DDR3 @ 533MHz (8-9-9-25) (Two 2GB and two 1GB sticks.)
Motherboard
ASUSTeK Computer INC. P5E3 Deluxe (LGA775)
Graphics
NS-L322Q-10A (1920x1080@60Hz)
ATI Radeon HD 4870 X2 (ATI)
CrossFire Disabled
Hard Drives
488GB Western Digital WDC WD5000AAJS-22TKA0 ATA Device (SATA)
977GB Western Digital WDC WD10EACS-00D6B1 ATA Device (SATA)
977GB Western Digital WDC WD10EACS-00D6B1 ATA Device (SATA)
977GB Western Digital WDC WD10EACS-00D6B0 ATA Device (SATA)
977GB Western Digital WDC WD10EACS-00ZJB0 ATA Device (SATA)
Optical Drives
HL-DT-ST DVDRAM GSA-H10L ATA Device
Audio
SoundMAX Integrated Digital HD Audio
Power Supply: 1000W
I will be buying the following upgrades from Newegg:
2x http://www.newegg.com/Product/Product.aspx?Item=N82E16820231428
http://www.newegg.com/Product/Product.aspx?Item=N82E16813131791
http://www.newegg.com/Product/Product.aspx?Item=N82E16819115072
What graphics card would you recommend for a $300 budget?