Chord DACs do something I really like. They have great depth to the sound field. Apparently R2R DACs also do this.
Delta Sigma DACs can have great width, but I find they have very shallow depth...which can present as a forward or in your face presentation.
My guess is that phase impacts depth...so it could be hi-fi trickery...but it's trickery i enjoy ;-)
@panzrwagn can probably de-mystify this.