James, you can take your rig to the geeks at Best Buy and get a $500 graphics card. If the rest of your system is as archaic as your graphics card it will not do you much good.
You'll want at least an Intel I5-2500k overlocked to at least 4-4.5Ghz. This will push the GPU to it's maximum performance. Post your full specs and then we can advise you on what to keep or throw out.
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