I see the mention of the Light Harmonic Created the Da Vinci dac as one of the rare dacs that dose dsd. I thought it would be appropriate to post this link to their new dac on kickstarter that also dose dsd and right now can be had for 159$ (add 20$ outside us for shipping)
GEEK: A New USB Awesomifier for Headphones by Gavin Fish — Kickstarter