Staroffurby:
The problem with PC's is the badge on the box is just that a badge. It can say HP, Packard Bell, Sony, etc.... but there are actually a handful of companies that make components. Take processors only two companies supple them so regardless of what the badge is on the box, your processor will be one of these, its pretty much the same with the other components too. I know this is a simplistic view of things but it roughly how it is.
So saying what is more reliable is actually normally down to personal preference and luck.
If you get a system built for you, then you can pick the most reliable components. This may be the better way to go. Or pick a manufacture that can fix within 24 hours for a bit of peace of mind.
I wouldn't agree at all.
With CPUs you do only have a choice of two, but CPUs are the most reliable components in a PC anyway. If you choose something more likely to go wrong like the motherboard then you have a choice of dozens, if not hundreds and each uses thousands of components so there can be considerable variation.
Anything marketed as a buisness PC should be designed with reliability instead of performance in mind: HP, Lenovo, Dell etc.