I saw over on the fontblog a couple of posts about line spacing (namely “Typography Tip #3” and “More on Linespacing”).
Basically, they say you should try for 1.2x the font height for your line spacing. So I decided to update the CSS for my blog to match their recommendation. One thing I noticed, though, is that I had to actually set the line-height style to 1.4 instead of 1.2. Does anyone know why? I couldn’t find much in the way of documentation for the line-height style (at least, not much that I could understand...)