Eu faria assim com $1800
Intel Core i7 920 Nehalem 2.66GHz LGA 1366 $279,99
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OCZ Platinum 4GB 1600MHZ $79,99
URLaHR0cDovL3d3dy5uZXdlZ2cuY29tL1Byb2R1Y3QvUHJvZHVjdC5hc3B4P0l0ZW09TjgyRTE2ODIwMjI3Mjk3
GIGABYTE GA-EX58-UD3R-SLI LGA 1366 $209.99
URLaHR0cDovL3d3dy5uZXdlZ2cuY29tL1Byb2R1Y3QvUHJvZHVjdC5hc3B4P0l0ZW09TjgyRTE2ODEzMTI4Mzg2
2x Western Digital Caviar Black 500GB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Hard Drive - OEM $69,99
PS: 2 HDs para fazer RAID.. desempenho bem melhor.
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CORSAIR CMPSU-750TX 750W $119,99
URLaHR0cDovL3d3dy5uZXdlZ2cuY29tL1Byb2R1Y3QvUHJvZHVjdC5hc3B4P0l0ZW09TjgyRTE2ODE3MTM5MDA2JmFtcDtUcGs9Q29yc2FpciUyMDc1MFRY
LG W2353V-PF Black 23" 2ms $229.99
URLaHR0cDovL3d3dy5uZXdlZ2cuY29tL1Byb2R1Y3QvUHJvZHVjdC5hc3B4P0l0ZW09TjgyRTE2ODI0MDA1MTI1
LG 22X DVD±R DVD Burner Black SATA Model GH22NS30 R$24,99
URLaHR0cDovL3d3dy5uZXdlZ2cuY29tL1Byb2R1Y3QvUHJvZHVjdC5hc3B4P0l0ZW09TjgyRTE2ODI3MTM2MTUy
BFG Tech GeForce GTX 295 $524.99
URLaHR0cDovL3d3dy5uZXdlZ2cuY29tL1Byb2R1Y3QvUHJvZHVjdC5hc3B4P0l0ZW09TjgyRTE2ODE0MTQzMTY3
Thermaltake Armor Series VA8003BWS Black Full Tower Case $149.99
URLaHR0cDovL3d3dy5uZXdlZ2cuY29tL1Byb2R1Y3QvUHJvZHVjdC5hc3B4P0l0ZW09TjgyRTE2ODExMTMzMDIxJmFtcDtUcGs9VGhlcm1hbHRha2UlMjBBcm1vciUyMFNlcmllcyUyMFZBODAwM0JXUw==
Total : $1760
CPU: Core i7 870 @ 4.2GHZ
VGA: NVIDIA MSI GTX 780 @1084MHZ
MEMO: 8GB 1600MHZ
MB: ASUS P7P55D DELUXE
FONTE: XFX 850W
MONITOR: Samsung S27A850D 1440P 5MS