The 9200 is ancient. It's older than my old X1600Pro and I doubt they ever made 9200's for PCI Express. Chances are if you're running a 9200 you need to get an entirely new PC to do anything.
There are 3 main graphics card interfaces (PCI, AGP, and PCI Express). Two are now useless for gaming (PCI and AGP) and the 9200 was only ever made for these interfaces. This means that your motherboard most likely uses AGP or even just PCI which means it won't support a newer graphics card. To use a good new graphics card you need a motherboard that has PCI Express slots.
I think you'll probably have to just build from scratch. That's what I just did to replace my old AGP build (AthlonXP 2600+, DDR RAM, IDE drives, and AGP X1600Pro graphics on a 200W PSU). The good news is that anything on the market today will beat your 9200 in graphics performance, even a dirt cheap card, even most integrated cards on motherboards can match or beat the 9200 these days. The bad news is that it will be expensive.