The amount of misinformation here is staggering, although many points have been addressed already.
The design is optimistic but this is the original design, the stretch goals aren't being made up as they go ;).
Beta is currently Christmas 2014, release sometime in 2015 (these are guesses by the team right now). We're probably looking at 2016 and beyond for all the stretch goals although development should continue beyond that if the project is successful.
Any model that gets us away from our current set of publishers is worth a go imho.