Unfortunately, I have not found electrostatics to portray convincing depth. Having once owned an SR-009 and having recently listened to the SR-009 again (but also the new Mr. Speakers Electrostatic, HiFiMan Shangri-La and Orpheus HE1060), there is no comparing the clarity and detail that these headphones portray but the depth I hear is not as good as what I get with the HE-1000 or even the Abyss. To be fair, I have yet to hear any electrostatic headphone driven by the DAVE and so I will withhold final judgement until that happens (hopefully, it will happen soon thanks to @Crashem) but my feeling is that it won’t be as good especially since you are forced to use an intermediary amp between the DAVE and an electrostatic headphone.