Yeah, headset resolution is limited but that's why it's important to make the most of what you have. As I understand it the SDK quad and cylinder layers bypass the lens distortion pass and effectively analytically ray trace the optimal sample point for direct display. Carmack is always telling people to use them for anything text heavy. I haven't done a side by side comparison but this is probably why Dash text is a bit more legible than yours. Future headsets will have higher resolution but we're years away from high enough for this stuff not to matter.
As an experienced VR user my expectation at this point is that I can move panels around with my hands and ideally scale them too. Doing that well and in a way that doesn't trip up novice users isn't trivial though, Dash still has some work to do there.
I don't mean to be overly critical, my first VR app (for the DK2!) was written from scratch in C++ so I know how much work goes into developing something like this without an engine. I want this type of app to succeed so I can use it though so the feedback is intended to be constructive!