I don't think it is a stripped down version of the iDSD micro, but it is a result of a complete re-design.
Anyhow here there is some story: http://www.head-fi.org/t/754820/idac2-is-rocking-free-dsd-pcm-album-now-see-page-21-competition-with-mega-goodies-gotta-be-in-it-to-win-it
Sent from my Nexus 7 using Tapatalk