People say that about all cars,ford, chevy, toyota, honda, pretty much anything. audi is basically the luxury division of Volkswagen which makes some of the best cars on the road imo(As with most german vehicles).
There is a big difference between quality and reliability, rosewill power supplies use cheap components, low quality control standards, and are just plain CHEAP. That unit you see for $89.99 probably costs $20 or so to manufacture. Lets put it this way, you are going skydiving, do you use one of the freshly packed newer parachutes from the skydiving school, or do you use a chute you bought from a surplus store for $30.