most computers are of equal/similar reliability. No comparison there.
No Hp's are not reliable at all. They make VERY bad computers and they overheat a lot due to poor ventilation design.Don't waste your money on a hp. Get another brand instead
I own a HP Laptop HDX13 and the wireless adapter on it sucks sometimes it goes completely nuts on off on off luckily i know how to fix the issue not saying you'll have the same issue but do your homework when buying a laptop first google Hp G70 laptop 17.3 problems and see what comes up and check if the fan is on the button of that laptop if it is it is useless because most likely wherever you put it it's going to overheat lap ,desk, ext.