I was using a W4Sdac2 and something just didn't seem right. I saw a local add for this unit and I asked the seller if I could demo it, he said yes. Put it in my system and it was like night and day. This is the sound I was looking for, very organic and liquid. I now am using the Tranquility SE.
http://www.dbaudiolabs.com/da-converters/Thanks for looking
Jeff