Help about my pc build

[dragoon87]

Processor: Intel Core i7 920 (P14,500)

Motherboard: ASUS P6T Deluxe V2 LGA 1366 Intel X58 ATX Intel Motherboard - Retail
Xtreme Phase w/ SLI and CrossfireX, TurboV


RAM: mushkin 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) Triple Channel Kit Desktop

HDD: 1 Western Digital Caviar Black 640GB

OPD: LG 22X DVD Burner SATA

Casing: Antec 1200

PSU: Corsair CMPSU-850TX 850W

VC: EVGA 017-P3-1175-AR GeForce GTX 275 1792MB 448-bit DDR3 PCI Express 2.0 x16 SLI Supported Video Card - Retail

K/M: Logitech Gaming G1 (K/M)

Monitor: LG 24" W2442PA LCD Monitor


guys can you help me finalize my build for
my upcoming buying of this rig
please elaborate what item should i replace

 

[jdelsignore911]

Thats and excellent build. I might even buy that because I am in the market to build my own pc soon. Do you know the price tag at the moment??