The ever-interesting site Presentation Zen has some presentation tips culled from Steve's latest;
Briefly:

1. Develop rapport with the audience.
2. Give them an idea of where you're going.
3. Show your enthusiasm.
4. It's not about numbers, it's about what the numbers mean.
5. Make it visual.
6. Save the best for last.

Worth heading over to read the full article, for sure.
Link