I would seriously consider the Marantz 30n sacd as well but seeing the Ruby may still be had around the same price it's great options to have . I ended up with the 30n sacd when choosing at this price point and couldn't be happier!
Marantz SA-KI Ruby vs Denon DCS-A110 Anniversary Edition
I am thinking of upgrading from a Marantz CD 6007. Does anyone have experience comparing these two?