> I think there should be some kind of motion compression.  You can imagine
> different solutions:
>  * if the event queue exceeds a certain length you start collapsing
>    events to make it shorter.
>  * if events occur close in time you collapse them.

Ahh, but when, and by how much?  Drawing apps really want to see an
uncompressed mouse motion stream so they see the full trajectory...

For instance, see the XGetMotionEvents() call...

					- Bill