I've given a few talks recently and I have not found a good way to make slides. Here are a few desirable characteristics for programming slides:

• They're slides. A standard emacs buffer won't do it.
• They have syntax highlighting for code.
• They support basic formatting, like font size and color and bullets.
• No fancy animations needed. The only animation I desire is one-by-one appearance of bullets.

So far I have considered:

• Microsoft Office - out of the question for Linux users.
• OpenOffice.org - too much for my needs, code formatting/highlighting needs to be done externally and pasted in. On the plus side supports bullets, bullet-by-bullet animation, and font formatting.
• Emacs - Supports all the code formatting but I haven't found a slides mode that lets me transition from one chunk to another.
• HTML5 - I once made slides using html5rocks as a template. It supports everything, but is too hard and time-consuming the "throw together" a few slides before a minor talk. Also the html5-only features may not work on the podium computer's installed browser.

Any suggestions for programs/techniques for making code-centric presentations?