I have often wondered the same thing as I have been a fan of their products for a long time.
The part I am concerned with is that they waited sooo long, that now 800 - 1000 watts class D is going to be the new norm. If they would rush to meet this newer market with a version 2 IMO this product will have longevity. If they don't then it will be viable for a while (a year??who knows??), but the price point of 500w amps will go down as more of the 1000 watters go to market. Of course all this is my speculation, and right now there are the 800 watters at a higher price point.