Uibuilder: to subscribe or not to subscribe?

Hi Thorsten,
That looks very nice!
I have to admit that this discussion goes a bit too much into frontend framework detail for me, so would be nice if you could answer my noob question below.
I have develped a series of custom UI nodes in the past for the current AngularJs dashboard. Will it also be possible to develop such nodes in your dashboard concept? I mean UI nodes that can be installed separately from the palette, and dragged into the flow. Like the current dashboard allows us to do at the moment.
Or is that not the purpose of your setup?
Thanks for the clarification!
Bart