This is a minor brainstorm but it would be nice to see it implemented.
Volume up/down keys when held adjusts the volume slowly. They should adjust it exponentially as the keys are held.
This is a fast shortcut for volume up/down, and I may want to decrease the volume in a fast way when for example, in Angry birds where I do not have access to the status area, so it would take a while to go to zero.
