If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
That only tests for the averages AFAICT -- there might well be people who read serif fonts faster and people who read sans-serif fonts faster.
Since I don't know whether I like the Big Endians or Little Endians, I only care about the average.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.