For systems without support a link to Mesa3D would be an idea ( SiS, S3, intel onboard beside Intel Extreme ) ...
although the mainstream seem to be GF2 MX / GF4 MX. Most common problems there are outdate drivers that are not even fully compatible with DX9c
although the mainstream seem to be GF2 MX / GF4 MX. Most common problems there are outdate drivers that are not even fully compatible with DX9c