The 9800 does make a HUGE difference, I'm still a little concerned about the performance with Flash and Firefox but at least it's usable now.
Also changing the module settings helped a lot too.
options nvidia NVreg_EnableAGPSBA=1 NVreg_EnableAGPFW=1 NVreg_NvAGP=1 NVreg_DeviceFileU
ID=0 NVreg ...