I'm trying to have an old fashioned style of (sub)section numbering as in EGA (Eléments de Géométrie Algébrique, by A.Grothendieck and J.Dieudonné). For a LaTeX written example, see here. I did it ...
I often use the amsart documentclass. I like it because it is very compact (it also seems to be an industry standard in my area). What I don't like about it is that I'm not able to use kpfonts or ...