Another markup alternative is the LaTeX class beamer, check out an example [pdf document].
beamer offers incremental display, prearranged themes, automatic table of contents, navigation bars, bibliographies, and other features. Can be used with pdflatex and LyX. It's not only of interest for technical tasks, due to its easy markup scheme. (If you are fixated on visual programs, it's not for you, of course.)
Download and try it. [SF link]
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