How much would you charge for iA Presenter?

I´ve been participating in the private beta of the new iA Presenter application. I like the app very much, because it improves the preparation phase of a presentation, as well as the presentation itself. How much would you charge for iA Presenter? is asking for a suitable price. The article contains an analysis of different software pricing models, and pricings of different applications in the market, which is interesting to read.