$550 To Finish New Build

[secranox]

Hey I'm probably going to order the last of my parts in the next few days and just wanted to get some final opinions on the build before I order. Any constructive criticism would be greatly appreciated, thanks!

APPROXIMATE PURCHASE DATE: Within the next week

SYSTEM USAGE FROM MOST TO LEAST IMPORTANT: Gaming

PARTS NOT REQUIRED: (case, GPU, keyboard, mouse, monitor, speakers, optical drive)

PREFERRED WEBSITE(S) FOR PARTS: No preference, I also live near a Microcenter if that helps.

PARTS PREFERENCES: N/A

OVERCLOCKING: Maybe

SLI OR CROSSFIRE: Yes (in the future, but not now)

MONITOR RESOLUTION: 1920x1200

Since I have the Case (Lian Li Lancool PC K-62) and GPU (5870) already, I need the following parts still:
OS
MOBO
CPU
RAM
PSU
HD

Here's what I have so far:

CPU and MOBO are combo'd for a $30 combo discount
AMD Phenom II X4 955 Black Edition Deneb 3.2GHz
* BIOSTAR TA890FXE AM3 AMD 890FX SATA 6Gb/s

PSU and RAM are combo'd for a $25 combo discount and $20 MIR
CORSAIR CMPSU-850TX 850W ATX12V 2.2
G.SKILL Ripjaws Series 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600

HD
SAMSUNG Spinpoint F3 HD502HJ 500GB 7200 RPM

OS
Win7 Ultimate from school for $35

* Tom's did a review of the 890FX boards, including the Biostar board in my current build if anyone is unfamiliar with it.
http://www.tomshardware.co.uk/amd-890fx-crosshair-iv-formula-890fxa-ud7,review-31909.html

Total: $568.93
$548.93 AR

 

[shovenose]

1tb has the best value gb/$
what gpu?

 

[secranox]

1tb has the best value gb/$
what gpu?

It's an HIS 5870 that I got for $350.