How is the latency for drawing? I am going to start doing this, but it makes me think, it would be nice to have a way to disable full refresh while drawing, and doing tablet-side drawing over the current VNC frame while the stream is paused, and asynchronously forwarding the input which will hopefully recreate the same drawing path on the server.
The latency for drawing on the Boox Note Max is excellent. Best on the market or close to it.
I don't know how to do what you are describing, but right now, the drawing is OK. it's not instantaneous but good enough for me, not creating artworks. just doodles and scribbles. I just don't look at the tablet screen for drawing. I only use it as an input because the refresh rate is low for this. but the VNC latency itself is not annoying (I would guesstimate ~0.2s), although I think there are ways to make VNC latency less.