In the professional speaking world, the two reasons a presenter would subject their audiences to a boring, content loaded powerpoint display is either they don't know their content/presentation or they have no presentation skills.
PS Tip: Consider your audience and respective learning styles, YOU ARE YOUR BEST VISUAL! Use as little text as possible, but lots of photos (a photo says a thousand words!). It is a SUPPORT ACT, not the main act and treat it as such.
Check out http://www.slideshare.net/contest/contest for some new ideas