Having used the Haiku Deck website to design a recent presentation*, I'm in love with it as a tool for homeschoolers, too. It's incredibly easy and downright fun.
In fact I'm so excited about it, that I made a deck to illustrate its potential for home educators by using the app for iPAd.
(This is a scaled-down version. To see it in full-size, click here.)
Homeschooling With Haiku Deck - Created with Haiku Deck, presentation software that inspires
* Note that I had trouble with my presentation, contacted them about it, and had it fixed in no time. Great product, great customer service.