What piece of hardware will be more useful?

United States
December 20, 2010 5:42pm CST
Well I think its time that I should get some new parts for my PC. I have a old 2.33 Ghz intel duo, and only 2 gigs of ddr2 RAM.I want to add 2 gigs of RAM(unbuffered) or change my CPU to a quad core, holding out on the graphics card for now. Which choice will give better peformance?
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