Also, arch is way less intimidating than its reputation suggests; especially on a secondary PC, where you can just run off to your main PC to look at the arch wiki.
Other than that, I suppose something like AntiX would probably run not-terrible on it as well.
It aligns with the 'th' in with and (not surprisingly) thorn, but not the 'th' in words like there and than; for those, they should be using the eth, ð, which makes reading those posts even more irritating.