Fastest Open Source 3D video card for 9.3?

Now that people are starting to get 9.3 up and running, I am curious over whether the fastest Open Source 3D video card supported is still the ATI 9200, or if newer chipsets are available. (Open source only please, I don't want to have to rely on closed source hardware, even if the driver is really good -- thin end of the wedge in my opinion.)