Building my first PC and would like some input

[BlueFalcon]

Dgc, I found some deals for you:

MSI N660TI-2GD5/OC GeForce GTX 660 Ti 2GB + Assassin's Creed 3 = $230 after $25 rebate
http://www.newegg.com/Product/Product.aspx?Item=N82E16814127711&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-_-na-_-na-_-na&AID=10440897&PID=3332167&SID=u00000687

PNY VCGGTX670XPB GeForce GTX 670 2GB + Assassin's Creed 3 + Borderlands 2 = $280 after $40 rebate
http://www.newegg.com/Product/Product.aspx?Item=N82E16814133452&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-_-na-_-na-_-na&AID=10440897&PID=3332167&SID=u00000687

Crucial Ballistix Sport 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Low Profile CL9 = $36
http://www.newegg.com/Product/Product.aspx?Item=N82E16820148662

G.SKILL Sniper Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1866 (PC3 14900) Desktop Memory Model F3-14900CL9D-8GBSR = $40 after $10 off w/ promo code EMCJHHN53 at checkout, ends Dec 26th
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231460

XFX Core Edition PRO550W (P1-550S-XXB9) 550W ATX12V 2.2 & ESP12V 2.91 SLI Ready CrossFire Ready 80 PLUS BRONZE Certified Active PFC Power Supply = $40 after $15 MIR and $15 off w/ promo code EMCJHHN63, ends Dec 26th
http://www.newegg.com/Product/Product.aspx?Item=N82E16817207013