What cpu should I get... these are all within my price range, and keep in mind I plan on doing no overclocking, so which one would offer the most gaming performance without overclocking?
*amd 3700+ socket 939
*Pentium 4 Presscott 3.2 ghz socket 478
*Pentium 4 Presscott 3.2 ghz socket 775
*Intel Pentium D 820 smithfield dual core socket 775
*amd opteron 148 venus 2.2ghz socket 939