I prefer Sample One; Sample Two gives me a headache.
For me, sample two is more pleasing, though I can read either.
For example, this page:
... renders blurry in Firefox and Chrome.
I am seeing firefox using something like sample one, and chromium using something like sample two.
This is on linux (opensuse). But this does suggest that the way opensuse sets defaults can change firefox to what you prefer. And in that case, there's probably a way that you can change it too.
Fundamentalism - the anti-American, anti-Christian branch of American Christianity