Build compatibility and timings

hi, updated a system build, please criticise and please help to improve:

APPROXIMATE PURCHASE DATE:
This Week

BUDGET RANGE: (e.g.: 600-800)
1300-1500(US$)


SYSTEM USAGE FROM MOST TO LEAST IMPORTANT:
gaming, programming, design, movies


PARTS NOT REQUIRED:
keyboard, mouse, monitor, speakers, OS

PREFERRED WEBSITE(S) FOR PARTS:
not applicable

COUNTRY OF ORIGIN: (e.g.: Grand Fenwick)
singapore

PARTS PREFERENCES:
nothing in particular

OVERCLOCKING:
No

SLI OR CROSSFIRE:
Maybe

MONITOR RESOLUTION:
1920x1200

ADDITIONAL COMMENTS:
i would like to have a quiet pc


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CPU/Mobo: i5-760 and Asus P7P55D-E Pro 586
Asus P7P55D-E Pro 586
i5-760

RAM: Xtreem Dark 2x2GB 1600 CL8 4GB Kits / 8-8-8-24- 200
Xtreem Dark 2x2GB 1600 CL8 4GB Kits / 8-8-8-24- 200


GPU: HD 5970 799
HD 5970


HDD: WD10EVDS 3.5", 1TB, 32MB, SATA 3Gb/s 108
WD10EVDS 3.5", 1TB, 32MB, SATA 3Gb/s

PSU: . Seasonic X Series 750W/Fully Modular 269
Seasonic X Series 750W/Fully Modular

Case: HAF 922 189
HAF 922


other items not included in the budget that might be considered:

Samsung 23” B2330H (Wide) 70000:1/ HDMI 298
Samsung 23” B2330H (Wide) 70000:1/ HDMI

Razer Salmosa 1800DPI Gaming Mouse 59
Razer Arctosa 79
Sony 870S 24x DvD+-RW (SATA 45)
Win 7 Professional 64Bit 219


thank you