Building a new system need component help

[snowbordlb]

I’m looking to build a new system. It is going to be a general use everyday computer for light gaming (FSX), internet, and homework. I am not going to overclock anything right now but I might in the future. Here are the components that I am looking at please let me know what you think.
CPU and mother board Asus M3A78-CM w/ Phenom II X4 965 (4 x 3.4GHz - 8MB Cache - 4000MHz FSB) $234.92

GPU Gforce 250 http://www.newegg.com/Product/Product.aspx?Item=N82E16814127445&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-_-Video+Cards-_-MSI+COMPUTER-_-14127445

RAM 8 gigs from price watch for 159.00
Cooling cooler master v8 for 49
Case cooler master for 29.99 http://www.newegg.com/Product/Product.aspx?Item=N82E16811119161
Power supply 550 w bfg for 49.00 http://www.newegg.com/Product/Product.aspx?Item=N82E16817702010
HD 500gb caviar green 500 gb 54.00

I don’t need to buy a monitor, Mouse/KB or OS.

 

[jsc]

If you 500 GB drive is going to be the boot drive, you should get a faster drive. The Seagate 7200.12 is a single platter drive. I think the Samsung F3 Spinpoint is also.

 

[snowbordlb]

how do you know the seagate is faster than the WD