DocBook Slides

• If you really are into XML,
• if you even write your documents in XML ie. DocBook,
• then you will love DocBook Slides: 

The Slides Document Type is an XML vocabulary derived from DocBook. It is used to create presentations (slides, foils, whatever you call them) in HTML or print.

Presentations are by nature visual and the Slides stylesheets provide a wide range of options to control how the transformation from XML to HTML is performed.

• http://docbook.sourceforge.net/release/slides-demo/ – overview of the available styles

• http://docbook.sourceforge.net/release/slides-demo/frames7/frames.html – the best of all of them!!!
  you will never want to create any different slides, never

• http://www.dpawson.co.uk/docbook/styling/slides.html – Dave Pawson's notes

One good reason for not not authoring in XML is not having a suitable editor or IDE.

I personally use and recommend emacs together with James Clark's nxml-mode. Your mileage may vary though …