Looking to build a gaming PC, advise plz!!!!

hello everyone im rly new to building comps and honestly have no idea how to build one, but i plan on building one within the next months and have a set budge of 1200 to 1500 max, and i was wondering if i could get advice on parts that are essential to building a good high end gaming machine, now i have some parts that i already want and ill list them below:

Case: http://www.newegg.com/Product/Product.aspx?Item=N82E168... $149.99

Mobo: http://www.newegg.com/Product/Product.aspx?Item=N82E168... $299.99

CPU: http://www.newegg.com/Product/Product.aspx?Item=N82E168... $234.99

GPU: http://www.newegg.com/Product/Product.aspx?Item=N82E168... $379.99

Mem: http://www.newegg.com/Product/Prod [...] 6820146565 $124.99

PSU: http://www.newegg.com/Product/Product.aspx?Item=N82E168... 169.99

HD: http://www.newegg.com/Product/Prod [...] 6822148212 $49.99

DVD: http  /www.newegg.com/Product/Prod [...] 827151133R 20.99

THNX Maziar for those parts

Total so far is... $1431.00 (still havnt factored in shipping)

recomendations for hardware plz feel free to add a link and keep my budge below 1500, and if ther are stuff that ive listed for less price feel free to link me as well thnx guys = )