What should i upgrade my Nvidea 6200 Graphics card to?

If you have a agpx8 then purchase a 8 series card. If you have an agpx4 buy a 7 series.You should really repost this question with all your specs. Some processors just can't keep up with some cards and the processor bottlenecks the systems performance. In all honesty you should really upgrade your computer. The performance capability of today's card should go through a pci express.