?

Very nice Michael,
As a variation that is used for "nulling" a signal, how about moving the pointer instead of the scale (like a mechanical meter), but dynamically adjust the *markings* on the scale to match the "recent average" of the signal. So, a low-res meter automatically becomes a hi-res meter as you get closer to the Null.

Or, a similar concept that could be used for *any* application maybe(?):
Initially the scale is wide, to cover the entire dynamic range. But as the signal is averaged over a few seconds(?), the scale "zooms in" to automatically show high precision at any particular value. If the signal starts moving, then it "zooms out" automatically...

Pete