I got this link from someone else on thelist: http://www.wilsonweb.com/wmt6/html-email-fonts.htm It has results of a usability study based on size *and* font. The font makes a *huge* difference when comparing sizes. matt > From: "McAtee, Malcolm" <MMcAtee at philamuseum.org> > I am a little new to using CSS so please excuse the question. > I have specified my font-size as 9px. > Can anyone explain to me the reason for a size difference in NN4 (very > small) as opposed to IE5 and NN6. > (All on PC by the way....)