The charts in the drop-down menus should have meaningful scales for the y-axix.
Processor: 0 - 100%
Memory: 0 - 100%
Network: 0 - [max network up/down speed seen during prior N minutes]; this will also need to be doubled and inverted because we use the top of this chart for upload activity and the bottom for download activity.
Power: 0 - [max power consumption seen during the prior N minutes]
The charts in the drop-down menus should have meaningful scales for the y-axix.