Folks,

I want to build a box that can run Ubuntu.
I am thinking of getting the hardware listed below. Would this work or is there anything I should be wary about/note.

Motherboard
Gigabyte GA-X48-DS5 LGA775 Intel X48 + ICH9R chipset motherboard.

CPU
Intel Core 2 Quad Q9550 LGA775 2.83GHz 64 bit, 45nm, 1333MHz FSB, 12MB cache. Intel 64 technology, Intel advanced digital media boost, Intel advanced smart cachem Intel memory acccess.
$726

Two hard disk drives (want to use as RAID 1)
300Gb Western Digital VelociRaptor 10,000 RPM SATA Hard Drive, 16mb cache.

Case
Lian Li PC-A05A Bare-metal Midi Tower Aluminium case, 2x 5.25, 4x 3.5, 2x 12cm fans, No PSU
$187

Memory, 8GB in total
PC 6400 DDR2-800MHz CORSAIR TWIN2X 4096MB 240-PIN DDR2 XMS2-6400 RAM. Will get two sets. Each set has 2 x 2048MB w/black heatspreader for a total of 4096MB.

Graphics
GIGABYTE GV-NX85T512HP nVidia PCI-E GEFORCE 8500GT 512MB fanless PCI-E X16 VIDEO CARD
Note I'll be using a dual link DVI-D cable to connect two digital LCD displays (Samsung 191T) to the DVI-I graphics card.

PSU
CORSAIR 650W TX-650 ATX POWER SUPPLY $176
20+4 pin, 8-pin EPS, 2ea PCI-E-6/8pin, 8x HDD, 8x SATA, 2x FDD

DVD
PIONEER BDR-202BK BLACK SATA DVD-RW DRIVE AND BLUE-RAY WRITER
Includes SATA data and power cables.
5x BD-ROM, 3x BD-ROM Dual Layer, writes BD-R: 4x, :RE 2x
12x/6x/12x/6x/5x/12x DVD+R/DVD+RW/DVD-R/DVD-RW/DVD-RAM/DVD-ROM
4x/4x DVD+/-R Dual Layer
24x/24x/32x CD-R/CD-RW/CD-ROM