Ever wanted to say good bye to boring slideshow presentations? Well, check out animoto.com and say hello to a real PowerPoint slayer. Animoto has done an excellent job integrating Web 2.0 with video animation just like you see in the movies. Visit their site, join for free, and give it a test run. You won't be disappointed!
PS - If you're an educator, check out their Education page. They will give you free access to full-length videos!