When talking about network scales, I second the wish for a 1 week scale.
Secondly, there are some interface inconsistencies. At some places you have a drop-down box to set the scale, in other places you have to right-click. I would favor putting the drop-down box everywhere.
Thirdly, when there are more graphs shown below each other (for example a device with cpu/mem/disk and ping/http probes), you have to set the scale for each graph separately. I cannot think of any reason why you'd ever want the graphs in a different scale. You'd always want the graphs in the same scale, so you can correlate for example high ping times to high cpu loads. So an improvement would be to have one scale setting that controls all graphs in such a case.
Very small things of course, but just trying to help to make The Dude even better than it already is. Thanks MT!