this is my first computer build but im not really sure about my components. Any suggestion on parts that can be swapped out for a cheaper replacement or a better quality part
case - Coolermaster Cosmos 1000
motherboard - ASUS Crosshair II Formula
CPU - AMD Phenom X4 9950 Black Edition 2.6GHz Quad-Core CPU
Video Card - EVGA 01G-P3-N891-AR GeForce 9800 GX2 1GB (512MB per GPU) 512-bit (256-bit per GPU)GDDR3 PCI Express 2.0 x16 HDCP Ready SLI Supported Video Card
Ram - CORSAIR DOMINATOR 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel Kit Desktop Memory
Power Supply - CORSAIR CMPSU-750TX 750W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS Certified Active PFC Power Supply
Hard Drive - Western Digital Caviar SE16 WD5000AAKS 500GB 7200 RPM SATA 3.0Gb/s Hard Drive
thanks for the help
case - Coolermaster Cosmos 1000
motherboard - ASUS Crosshair II Formula
CPU - AMD Phenom X4 9950 Black Edition 2.6GHz Quad-Core CPU
Video Card - EVGA 01G-P3-N891-AR GeForce 9800 GX2 1GB (512MB per GPU) 512-bit (256-bit per GPU)GDDR3 PCI Express 2.0 x16 HDCP Ready SLI Supported Video Card
Ram - CORSAIR DOMINATOR 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel Kit Desktop Memory
Power Supply - CORSAIR CMPSU-750TX 750W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS Certified Active PFC Power Supply
Hard Drive - Western Digital Caviar SE16 WD5000AAKS 500GB 7200 RPM SATA 3.0Gb/s Hard Drive
thanks for the help