Starting at $34.99 offering up to 32bit/384khz using a PCM5102 and a TPS7A4700 ultra low noise power supply. This board also provides full access to all GPIO pins as well as both the camera and display port on top of the raspberry pi.
Now that the Kickstarter is over these can be found at tindie
or directly from our site
I like what they make a lot but …
Already made, cheap components, cheap connectors and a bit overpriced :