Review my budget build before i purchase

I copied and pasted this from my shoping cart at newegg ready to be purchased. So tell me if this is a good budget build and could it run games like assassins creed or fallout 3 feel free to give suggestions

XFX GeForce GTS 250 GS250XYDFU Video Card
Item #:N82E16814150365
Return Policy: -VGA Standard Return Policy-$5.00 Instant
$85.00

Nvidia Gift Call of duty - World at war
Item #:N82E16800999088
Return Policy: -Limited Replacement Only Return Policy$49.99

SAMSUNG 22X DVD±R DVD Burner with LightScribe Black SATA Model SH-S223Q
Item #:N82E16827151173
Return Policy: -Standard Return Policy$26.99

AMD Athlon 64 X2 7750 2.7GHz Socket AM2+ 95W Dual-Core black edition Processor
Item #:N82E16819103300
Return Policy: -CPU Replacement Only Return Policy

$59.99

HITACHI Deskstar P7K500 500GB 3.5" SATA 3.0Gb/s Internal Hard Drive
Item #:N82E16822145215
Return Policy: -Standard Return Policy-$10.00 Instant

$49.99

GIGABYTE GA-MA770-UD3 ATX AMD Motherboard
Item #:N82E16813128376
Return Policy: -Standard Return Policy-$5.00 Instant

$69.99

G.SKILL 4GB(2 x 2GB) 240-Pin DDR2 800 (PC2 6400) Dual Channel Kit Memory
Item #:N82E16820231122
Return Policy: -Memory Standard Return Policy-$7.00 Instant

$47.99

COOLER MASTER RS-600-AMBA-D3 600W Power Supply
Item #: N82E16817171036
Return Policy: -Standard Return Policy


COOLER MASTER Centurion 5 CAC-T05-WW Black/Silver Computer Case
Item #: N82E16811119077
Return Policy: -Standard Return Policy-$30.00 Instant
-$40.00 Combo
$10.00 Mail-in Rebate

$119.98


Grand Total:$509.92

I'd check out BFG 550watt 80+ certified psu for 69$ after MIR, and LG (Cav) optical drive for same price. I second the HD by cmichael and a different PSU. First gen phenoms were nothing compared to phenom II.