Do you need a monitor?
Coupled with the P965 and good cooling, this can easily go to 3.0Ghz. Amazing CPU Power.
Great budget Core 2 Duo board. This can take you up to 500Mhz FSB
2GB DDR2-800 Bufallo Firestix $242.99
Great Micron D9 memory. You will be able to overclock this well.
WD 160GB 7200RPM 16MB Cache SATA3.0 $62.99
An amazing hard drive, get RAID 0 and double the performance.
ASUS X1950PRO $189.99
The best DX9 price / performance out there.
Sunbeam NUUO 550W $64.99
An excellent budget PSU. I have it currently, it runs great and looks
Sceptre 20.1" LCD $199.99
The best monitor for the money. I also have this and it is beautiful.
Gigabyte GZ-XA1CA-STB $89.99
Case is up to you, but I found this to be attractive, sturdy, and well
If you can afford a little more money, there are definately some upgrades which you benifit you. Such as (in order of importance):