I like powerdvd's feature of how the mouse wheel controls the scan forward/back speed while watching a dvd. Move the wheel forward, the dvd starts scanning forward at say, 3x speed. Wheel forward ...
On Windows, I use the extra buttons of the Logitech Revolution MX to play/pause media playback, and to control volume (level up/down and mute/unmute.) I cannot seem to find a way to reproduce this ...