Black Friday Build ORDERING ASAP! i5 build need quick advice

Sony Optiarc DVD Burner with LightScribe Black SATA Model AD-7241S-0B LightScribe Support - OEM
Item #: N82E16827118032
Return Policy: Standard Return Policy
SAMSUNG Spinpoint F3 HD103SJ 1TB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive
Item #: N82E16822152185

Antec EarthWatts EA650 650W Continuous Power ATX12V Ver.2.2 / EPS12V version 2.91 SLI Certified CrossFire Ready 80 PLUS Certified ... - Retail

G.SKILL Ripjaws Series 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) Desktop Memory Model F3-10666CL8D-4GBRM - Retail

$69 right now
Capacity 4GB (2 x 2GB)
Speed DDR3 1333 (PC3 10666)
Cas Latency 8
Timing 8-8-8-21
Voltage 1.5V
ECC No



ASUS P7P55D LGA 1156 Intel P55 ATX Intel Motherboard - Retail
Item #: N82E16813131404

Antec Nine Hundred Black Steel ATX Mid Tower Computer Case - Retail
Item #: N82E16811129021

I will be picking up the i5 at microcenter for $150.
the ram is very cheap right now do you think i should go for it and will it work with the ASUS motherboard? or buy the faster one for 105?

APPROXIMATE PURCHASE DATE: (about black friday)) BUDGET RANGE: (800-900)

SYSTEM USAGE FROM MOST TO LEAST IMPORTANT: (watching movies, games, internet surfing)

PARTS NOT REQUIRED: (e.g.: keyboard, mouse, monitor, speakers, OS)

PREFERRED WEBSITE(S) FOR PARTS: (newegg.com, ) COUNTRY OF ORIGIN: (california)

PARTS PREFERENCES: by brand or type (core i5)

OVERCLOCKING: Yes / No / Maybe SLI OR CROSSFIRE: No / No / No

MONITOR RESOLUTION: (1920x1200)