I have no ability to see into the future, and will probably never get it either, but my tip is that there is not another Audya.
But as AJ have already said in other tread, there will be some software updates soon.
I think that if SD9 is going to sell a lot and be a success, we will most likely see a next generation Ketron (SD?) that surpasses Audya by a wide margin.

In general Ketron keeps selling their instruments for years after they have been replaced. As long as they have stock and people want to buy them