Okay, I am already getting questions from mentioning the fully modded DAC-60 or super DAC version in the works. I'll mention these here for those interested and maybe it will limit the amount of times I answer them.
The $1,499. price for the super DAC version is a high ceiling limit we want to stay under. The actual price depends on the cost of the parts used. We will try to keep the price as low as possible. It could even come in as low as $1,200.
I have no word yet on the USB->I2S interface. They are working on adding this to the DAC-60. I will keep on them on it and see if I can get some answers. I would love to know when this will happen as much as everyone else. Everybody is asking for it.