Vitamix blenders seem to be the real deal. I have one that's seen nearly daily use for about 15 years and is still going strong. I have tripped it's overheat

Vitamix blenders seem to be the real deal. I have one that's seen nearly daily use for about 15 years and is still going strong. I have tripped it's overheat sensor on some things (e.g. hummus), but it just shuts down and forces you to wait for it to cool instead of burning out.