Hello,
You may contact my vendor Absolute (Contact no: 26845600).
I would recommend you to go for parts of which services are readily available. I had a very bad experience of motherboard (ASUS - A7S 266 VM) going faulty within 6 months of purchase. Since it was in warranty period I got service from my vendor without much trouble but it took in all "a complete month" to get it repaired. I was told that Tech Pacific (now Ingram Micro) are the sole service provider for AMD based systems and they take minimum one month to provide service. I don't know if vendor lied to me. But for whatever reasons, I was deprived of my system for one month because of delay in service. So I recommend you look for vendor's reputation and quality of service by agencies responsible for any brand you opt for before you fix on one.
As for the reliability part I have no suggestion about any brand. I have seen both brands AMD and Intel based systems developing problems over time.
Regards Peeyush