22,000 Supermicro 7089P-TR4T Barebone 7U SuperServer ( Read more... )

one of these ( Read more... )

48 cores, 512GB ram, 16GB video ( Read more... )

( Read more... )

On the other end of the spectrum, good bang for the buck.

$49.99 MSI K9AG NEO-2 DIGITAL w/ ATI Radeon 1250
$89.99 AMD Phenom 9600 2.3GHz
$50.98 OCZ Gold 4GB(2 x 2GB) DDR2 800
$49.00 Linkworld Midtower Case w/650W Power Supply
$51.00 Seagate SATA 500GB 32MB
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$290.96

$370 ASUS Rampage II Extreme LGA 1366 Intel X58 ATX Intel Motherboard
$985 Intel Core i7 Processor Extreme Edition i7-965 3.20GHz
$270 2x Mushkin Redline Ascent 6GB (3 x 2GB) 240-Pin DDR3 SDRAM
$389 3x eVGA nVIDIA GeForce GTX 285 SSC 1024MB
$200 2x Antec TPQ-1000
$168 Cooler Master CM Stacker STC-T01-UWK
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$3630

X4 (AMD ( Read more... )

$1529 Tyan Thunder n4250QE (S4985) + M4985
$180 Micron Technology 4GB DDR2 667 ECC (x32)
$4509 AMD 8360 2.5GHZ (x8)

$43361 (32 core/128GB ram) $1355/core

just because..

$1529 Tyan Thunder n4250QE (S4985) + M4985
$784.00 AMD 8346 1.8GHz (x8)
$60.00 Micron Technology 2GB DDR2 667 ECC (x16)

$8761 (32 core/32GB ram) $273.78/core

32 cores baby, sweet!

$659 TYAN S4980G2NR
$884 AMD Opteron 8347 Quad-Core 1.9GHz 2MB 75W Socket F (x4)
$229.95 OCZ Technology OCZ2G8008GQ 8gb kit (x2)

$4654.90 (16 core/16GB ram) $290.93/core