I am not saying FO is 100% reliable, but I really have a feeling reliability these days is more about luck than brand.
And this is not true just for PWS. I´ve had my FO for 6 yrs without a SINGLE problem. Likewise, Ive had my Acer laptop for over 10 yrs without a SINGLE problem!
My friend for example bought a Dell business laptop 3 yrs ago. After third time in service he got his money back, so he bought another business model from Lenovo... and two yrs later the motherboard also died. And I can continue, my other friend had Macbook and he also had problems with it.
Again, I am not suggesting Acer is very reliable, it is just that it really depends on how lucky you are, the same model can last for yrs without a problem or it can fail the next day.