This is my first time building a computer. I have most of the parts picked out...but I don't know what power supply I should get. Please give me your advice.
RAM: G.SKILL Ripjaws X Series 8GB
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231426&Tpk=F3-10666CL9D-8GBXL%20g.skill
HDD: Western Digital Caviar Black 500GB
http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Daps&field-keywords=western+digital+black+500gb&x=0&y=0
GPU: EVGA 012-P3-1570-AR GeForce GTX 570
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130593
Case:Antec Three Hundred Illusion Black Steel ATX Mid Tower Computer Case
http://www.newegg.com/Product/Product.aspx?Item=N82E16811129066
MoBo:AsRock H67M
http://www.newegg.com/Product/Product.aspx?Item=N82E16813157233
CPU:Intel i5-2400
http://www.newegg.com/Product/Product.aspx?Item=N82E16819115074
RAM: G.SKILL Ripjaws X Series 8GB
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231426&Tpk=F3-10666CL9D-8GBXL%20g.skill
HDD: Western Digital Caviar Black 500GB
http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Daps&field-keywords=western+digital+black+500gb&x=0&y=0
GPU: EVGA 012-P3-1570-AR GeForce GTX 570
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130593
Case:Antec Three Hundred Illusion Black Steel ATX Mid Tower Computer Case
http://www.newegg.com/Product/Product.aspx?Item=N82E16811129066
MoBo:AsRock H67M
http://www.newegg.com/Product/Product.aspx?Item=N82E16813157233
CPU:Intel i5-2400
http://www.newegg.com/Product/Product.aspx?Item=N82E16819115074