I found someone who is custom building DA boards using the DAC I want: http://www.twistedpearaudio.com/digital/buffalo.aspx (The I2S input is the format HDMI receiver chips for output of their audio streams.)

Their I/V (current to voltage) line stage also looks really nice:
http://www.twistedpearaudio.com/linestages/ivy.aspx


Pioneer PDP-5020FD, Marantz SR6011
Axiom M5HP, VP160HP, QS8
Sony PS4, surround backs
-Chris