Gigabyte results:

Results 303.10
System Info
Xbench Version 1.3
System Version 10.6.2 (10C540)
Physical RAM 4096 MB
Model iMac10,1
Drive Type KINGSTON SNVP325S264GB
CPU Test 260.21
GCD Loop 428.37 22.58 Mops/sec
Floating Point Basic 209.55 4.98 Gflop/sec
vecLib FFT 171.38 5.65 Gflop/sec
Floating Point Library 411.38 71.63 Mops/sec
Thread Test 1083.40
Computation 1488.00 30.14 Mops/sec, 4 threads
Lock Contention 851.79 36.64 Mlocks/sec, 4 threads
Memory Test 287.38
System 350.47
Allocate 465.25 1.71 Malloc/sec
Fill 285.65 13888.86 MB/sec
Copy 343.68 7098.61 MB/sec
Stream 243.54
Copy 226.93 4687.19 MB/sec
Scale 236.22 4880.29 MB/sec
Add 257.75 5490.68 MB/sec
Triad 256.08 5478.27 MB/sec
Quartz Graphics Test 349.90
Line 259.10 17.25 Klines/sec [50% alpha]
Rectangle 353.86 105.65 Krects/sec [50% alpha]
Circle 300.39 24.49 Kcircles/sec [50% alpha]
Bezier 316.70 7.99 Kbeziers/sec [50% alpha]
Text 894.48 55.95 Kchars/sec
OpenGL Graphics Test 133.64
Spinning Squares 133.64 169.53 frames/sec
User Interface Test 529.12
Elements 529.12 2.43 Krefresh/sec
Disk Test 381.95
Sequential 272.07
Uncached Write 341.30 209.55 MB/sec [4K blocks]
Uncached Write 348.32 197.08 MB/sec [256K blocks]
Uncached Read 149.97 43.89 MB/sec [4K blocks]
Uncached Read 447.74 225.03 MB/sec [256K blocks]
Random 640.75
Uncached Write 469.27 49.68 MB/sec [4K blocks]
Uncached Write 423.40 135.55 MB/sec [256K blocks]
Uncached Read 2377.43 16.85 MB/sec [4K blocks]
Uncached Read 752.31 139.60 MB/sec [256K blocks]

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Gigabyte GA-EP45-UD3 & [email protected], GeForce GTS 250, Linksys WMP300N v.2, M-Audio Transit USB
MSI P43-Neo & E7400, GeForce 9600GT, TP-Link TL-WN951N, Terratec Aureon 5.1 USB MK II