HTPC/NAS device benchmarks

I finished building my HTPC/NAS device to consolodate my 2 ReadyNAS and HTPC build.

I would like to run some benchmarks on the system, but don't know where to start to perform the tests.

Config:

Case:  Lian Li PC-P80N

Processor: (2) Xeon L5630 (runs at 40 watts to conserve energy)

Motherboard: EVGA Classified SR-2

Memory: 24mb (will increase to 48mb in the future)

Video: (2) EVGA GTX580 Hydrocopper (SLI)

Raid Card: ARC-1880-ix-12 (supports SAS/SATA and is 6Gb/s)

Raid 0 (OS): (2) Vertex 3 (120gb, MAX IOPS)

Raid 10 (Storage): (12) 2TB Seagate Barracuda XT (64mb cache, 6Gb/s, 7200rpm)

TV Tuner: (2) Ceton InfiniTV

Please let me know any suggestions to benchmark.

Thanx