The first true 3D chipset from S3. Not the fastest in either 2D or 3D, but its high visual quality for both 3D and for video may make it ok. This just was full of problems and never took off commercially. This is an exiting chipset because it gives Intel competition on the integrated chipset front. This offers essentially the same 2D performance, and better 3D and video acceleration.
Trident is known for cheap chips and their reputation is deserved.
Don't expect the best gaming experience from these chipsets. I have been told by good sources that the core of the et6300 is what was morphed into the ATI Radeon. ET6000 Great 2D performance, no 3D acceleration . I think VideoLogic won the right deal. Imagine is now responsible for all of the chipset development and has finally started to relook at the PC needs with the Kyro chipset.