My experience has been good. I never actually bought a computer from him, but he got me a couple deals on some parts for my build (pre-mobo-fried-days), helped me pick out some parts, and troubleshooted with me for weeks until I found out that my Mobo was DOA, all of this without any extra money for customer support, just a flat fee for the parts.
I guess we will never know the true issue since there are conflicting stories, but it is sad that 1 bad experience can outweigh many good ones.