I just started using AMD Thunderbird+KT133 since few weeks ago. It was quite a "risky" investment for me. Not because the AMD processor but because the chipsets VIA produces. I had bad experiences with their Apollo Pro 133A chipsets. Poor stability, slow performance and instable drivers, especially the AGP drivers.
But, after using Epox 8KTA (KT133)+T'bird 800 o/c to 900MHz for about 3 weeks. I can tell you one thing. This combo is awesome. It has good stability and performance for cheaper price. I personally think VIA makes better chipsets for AMD rather than for Intel.
My Computer:
Powered by FSP 250W Power Supply
Epox 8KTA+
AMD Thunderbird (unlocked) 800MHz using Alpha PAL6035t heatsink
Kingmax CAS2 128MB SDRAM
Creative GeForce2 GTS 32MB
SBLive! with a generic Digital I/O card
2 IBM DTLA 307030 Hard Drive
But, after using Epox 8KTA (KT133)+T'bird 800 o/c to 900MHz for about 3 weeks. I can tell you one thing. This combo is awesome. It has good stability and performance for cheaper price. I personally think VIA makes better chipsets for AMD rather than for Intel.
My Computer:
Powered by FSP 250W Power Supply
Epox 8KTA+
AMD Thunderbird (unlocked) 800MHz using Alpha PAL6035t heatsink
Kingmax CAS2 128MB SDRAM
Creative GeForce2 GTS 32MB
SBLive! with a generic Digital I/O card
2 IBM DTLA 307030 Hard Drive