New Gaming Build $1000-$1500 (v2) feedback needed

Hi guys,

After some tweaking of my original plan, here's my new planned build. Would appreciate feedback.

APPROXIMATE PURCHASE DATE: 1 month away

BUDGET RANGE: $1000-$1500 (the closer it is to $1000, the better)/No rebates

SYSTEM USAGE FROM MOST TO LEAST IMPORTANT: gaming, watching shows, mild excel, light video editing/conversion

PARTS NOT REQUIRED: OS, mouse

PREFERRED WEBSITE(S) FOR PARTS: will be buying from brick & mortar shops, online pricelists/products lists for reference (note conversion is Php 45= $1)

PCHUB
PC Gilmore
Gaisano Interpace

COUNTRY OF ORIGIN: Philippines

PARTS PREFERENCES: ATI gpu, AMD cpu

OVERCLOCKING: Yes, up to slightly below 4.0ghz

SLI OR CROSSFIRE: Yes - crossfire (future upgrade path)

MONITOR RESOLUTION: 1920 x 1080 (would have preferred 1920x1200 but there appears to be no cost-efficient choices where I am)

ADDITIONAL COMMENTS:
-------------------------------------------------------
CPU:

Phenom X4 955 BE ($171) OR Phenom X4 965 BE ($195)
(for reference purposes: i-760 ($220)

Motherboard:

Gigabyte GA890 GPA UD3H ($167)
OR
ASRock 890GX Extreme3 ($137)

RAM:

G.Skill Ripjaws 1600 CL7 ($114)
G. Skill Eco 1600 CL7 ($122)

VIDEOCARD:

HD5850 (any of the following: which brand has the best quality?)

XFX 5850 - ($296)
Powercolor (Vanilla) ($293)
Powercolor PCS+ ($304)**
MSI MSI Twin Frozr II ($329)**
Sapphire 5850 (vanilla): ($304)
Sapphire 5850 Vapor-X ($333)

** These cards come with the following promo items:
1. Thermaltake (AF0003) 120mm ModX 12 Case Fan
2. Deep Cool XFAN 5 pci cooler
3. Delkin earphone or Sensonic earphone/headset

HSF:

Hypermaster 212 PLUS ($35)
OR
Coolermaster Hyper TX3 ($23)

PSU:

Corsair TX750 ($131)
OR
Corsair TX650 ($115)

CASE:

CM 690 PURE ($89)**
OR
Cooler Master (RC-692-KWN2) 690-II Advanced, Clear Side Window ($122)
OR
Cooler Master (RC-922) Haf 922, Clear Side Window ($130)

**This case comes with the following promo items:
1. Cooler Master PWM 120mm fan
2. Deep Cool XFAN 5 pci cooler
3. Delkin earphone or Sensonic earphone/headset


HARDISK

Samsung 1TB ($68)
OR
Samsung 1.5TB ($89)

MONITOR

Samsung B2230 ($193)
or
Samsung B2330 (cant find price yet locally - in newegg $250)
or
Samsung P2270g ($240)


Speakers: (budget $60-$70)

Altec Lansing VS2421
Altec Lansing VS2621
Creative SBS A500

or any other speakers (either 2.1 or 5.1 near the prices of the above speakers

KEYBOARD:

need suggestions for solo keyboard (not with mouse) wireless and value for money)

Would appreciate feedback and suggestions. Warnings about parts not fitting also appreciated.

Thanks!