What excites me, is that I used to have to do a lot of these types of projects using a flash based solution that you just banged your head against. This is all

What excites me, is that I used to have to do a lot of these types of projects using a flash based solution that you just banged your head against. This is all javascript, so the sky is the limit for customization. And he did a great job with the api, there are a ton of events to hook into, and it goes down to IE7. I don't disagree with your point about usability, but clients eat it up for some reason and this solution is very elegant and developer friendly.