Cmd++
Zoom in
Cmd+-
Zoom out
Z
Zoom In tool. Can be dragged over just the area of the Timeline to fill the window. Very cool. Works in the Canvas and Viewer as well.
ZZ
Zoom Out tool. Works in the Canvas and Viewer as well.
Shift+Page Up
Scroll left in the Timeline
Shift+Page Down
Scroll right in the Timeline
Shift+Z
Show the entire sequence in the Timeline. It also zooms your Canvas or Viewer to fit in the window.
Shift+T
Change track heights
Cmd+Opt+W
Toggle the waveform display
Opt+W
Toggle clip overlays
Opt+T
Toggle clip keyframes
