My build, any help, advice or recommendation would be great

Approximate Purchase Date: a week or two

Budget Range: $800 (excluding monitor, Video card, os and peripherals)

System Usage from Most to Least Important: Gaming (FPS games, Third person games, NBA 2k series. Not much of RTS games), online jobs, watch FULL HD movies and surfing the net

Are you buying a monitor: No

Overclocking: No

SLI or Crossfire: No

Your Monitor Resolution: 1920x1080 Full HD

Additional Comments: been thinking for this built for a long time, cpu cooler is needed? or stock fan will do the job?... i have read that the corsair carbide 500r has 2 intake fans, 1 rear exhaust fans and 200mm fan on the side and I want to know how man case fans do i have to add to have a great temperature inside my case?

Intel Core i5-3450
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Asus P8H77-M LE
http://www.asus.com/Motherboards/Intel_Socket_1155/P8H7...

500Gb Seagate
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

8gb G-skill Rip jaws
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Asus 24x
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Corsair Carbide 500r
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Seasonic 560
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

later addition will be the video card because I want to wait the performance and price of gtx 660ti and its effect on the pricing of 7800 cards from AMD
(GTX 660ti as a gpu card) or SAPPHIRERadeon HD 7850 OC 2GB?

thanks in advance