I liked the Acens heading best. I was trying to avoid the default setting on the computer but used Myriad Pro in the last example as I needed a font with italic and bold faces. Changing the font and font size in the body text was annoying as then it messed up the paragraphs and lines. I thought I had spent a long time getting rid of hyphens and spaces in the wrong place but when I printed them out I could see loads of errors. As far as sans serif fonts go I still struggle to distinguish between them. i used Geneva as one of the options as I read that it was designed for use on the web and so I thought that a reader of a computer magazine would find it comfortingly familiar.