I've heard it's hit or miss on the quality, but the majority have good results.
Same thing with the customer service, but the majority have had poor results, i.e. warranty claims, returns, etc.
I'm not going to run them on my truck, just because of the historical troubles of retread tires. They can call it what they want, but it's still just a retread. If I was looking to replace tires on a ranch truck, I'd give them a real hard look.