Actually, PowerPoint has its virtues. It’s a useful process to help the speaker assemble and organize comments, and to talk without notes. It gives the speaker something to hide behind, which could be good.
But, do the slides have to be so boring? Does each slide have to have every syllable the speaker is about to say? Does every presentation require 76 slides? Check out Presentation Zen: Simple Ideas on Presentation Design and Delivery (Voices That Matter) by Garr Reynolds for great ways to prepare slides.