$1000 gaming and fun rig challenge - can ye best my build¿

APPROXIMATE PURCHASE DATE: this week BUDGET RANGE: 900 - 1100 After Rebates, shipping, taxes...

SYSTEM USAGE FROM MOST TO LEAST IMPORTANT: gaming, surfing the internet, watching movies

PARTS NOT REQUIRED: keyboard, mouse, monitor, speakers

PREFERRED WEBSITE(S) FOR PARTS: newegg.ca

COUNTRY OF ORIGIN: Canada

PARTS PREFERENCES: Intel i5

OVERCLOCKING: Maybe

SLI OR CROSSFIRE: Maybe

MONITOR RESOLUTION: 1920x1080

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Here's my build so far. The only thing I'm really unsure about is the motherboard and the combo deals:

Sony Optiarc 24X DVD/CD Rewritable Drive Black SATA Model AD-7240S-0B - OEM
http://www.newegg.ca/Product/Produ [...] 6827118030
$32.49


Antec Three Hundred Black Steel ATX Mid Tower Computer Case - Retail
http://www.newegg.ca/Product/Produ [...] 6811129042
$69.99


Western Digital Caviar Black WD5001AALS 500GB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive - OEM
http://www.newegg.ca/Product/Produ [...] 6822136320
$64.99


OCZ ModXStream Pro OCZ600MXSP 600W ATX12V V2.2 / EPS12V SLI Certified CrossFire Ready 80 PLUS Certified Modular Active PFC ... - Retail
http://www.newegg.ca/Product/Produ [...] 6817341017
$88.99


Combo:
XFX HD-487A-ZWFC Radeon HD 4870 1GB 256-bit GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card - Retail
http://www.newegg.ca/Product/Combo [...] mbo.265556

G.SKILL Ripjaws Series 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL9D-4GBRL - Retail
http://www.newegg.ca/Product/Combo [...] mbo.265556
$232.98

Combo:
Intel Core i5-750 Lynnfield 2.66GHz LGA 1156 95W Quad-Core Processor Model BX80605I5750 - Retail
http://www.newegg.ca/Product/Combo [...] mbo.263462

ECS P55H-A(1.0) LGA 1156 Intel P55 ATX Intel Motherboard - Retail
http://www.newegg.ca/Product/Combo [...] mbo.263462
#333.99


Microsoft Windows Vista Home Premium SP1 64-bit for System Builders w/ Tech Guarantee - OEM
http://www.newegg.ca/Product/Produ [...] 2116677CVF
$142.99

Total (including taxes, shipping...): $1066.51

http://www.newegg.ca/Product/Produ [...] F3%20500GB
faster drive for $1 less

You will get a good bit more performance out of CL8 ram but mostly the 4890 for 60 more
http://www.newegg.ca/Product/Combo [...] mbo.265564

And dont forget to combo windows with something
http://www.newegg.ca/Product/Combo [...] 22-152-181
that will improve your performance a bit but atleast go with the HDD and windows combo to save yourself $6 and get better performance

Asus and Gigabyte mobos are much better quality than ECS, consider this combo
http://www.newegg.ca/Product/Combo [...] mbo.273294