Hi WNBC,
Like you, I bought my Pulse SFi from a early backer at crownfunding price. Out of the box, the Pulse is not better than my older setup (iDSD nano + o2 amplifier). After burn in, about 100 hours, it sound better, more open, bass is tighter, but not so much. If you really want to take the best out of the Pulse, I suggest you to buy a LPS. I bought mine from Audiophonics.fr, It is identical to Jay's Audio LPS and trust me, it really transforms the Pulse to another level, and unlike burn-in, its benefit shows immediately after plugging. The LPS frees up soundstage, reduces the grain in treble, and improved bass resolution.
With adding the LPS, my Pulse SFi is really on par with (and for me little bit better than) the Gungnir DS, and superior to some more expensive DAC like Yulong and Mytek DSD192. Considering I paid only 550 euro for Pulse and 150 euro for LPS, it is really a bargain.