Upgrading my CPU?

[legendsx]

Hey everyone! Im looking for help on upgrading my cpu. Right now my specs are;

Cores 1
Threads 2
Name Intel Pentium 4 630
Code Name Prescott
Package Socket 775 LGA
Technology 90nm
Specification Intel(R) Pentium(R) 4 CPU 3.00GH.

What is the best cpu on the market compatible with my mobo right now? thanks in advance!

 

[geogolem]

Man, now is a horrible time to do something like this. Wait until after Windows 8 comes out and grab yourself an i5.