Deck.js: A JavaScript library for building modern HTML presentations. 
I really like the aesthetics but as mentioned here it's not portable / shareable offline.
In addition - more than the fact that you need a modern browser (which is ok, really), you need a modern projector for such a resolution, and this is nothing you can just download and install.Nothing is more awkward than displaying such a presentation on a backwards projector which cuts it off.I use this regularily, which solves both problems:
https://github.com/geraldb/slideshowI plan to use this from now on, since it has nicer UI:
https://github.com/juliocesar/shiningFor deck.js to be perfect it- needs to understand markdown- needs to use precent (%) scaling so it could scale   resolutions easily- export to an offline format.All in all it has astonishing UI effects which makes me want to use it.