Move.  (Shift+M) Moves objects in direction of drag.

Move In/Out.  (Shift+I) Pulls the objects toward the cursor. With the Shift held down, pushes the objects away from the cursor.

Move Jitter.  (Shift+Z) Moves the objects in random directions by random amounts.

Scale.  (Shift+< or Shift+>) Shrinks the objects near the cursor. With the Shift held down, enlarges the objects near the cursor.

Rotate.  (Shift+[ or Shift+]) Rotates clockwise the objects near the cursor. With the Shift held down, rotates counterclockwise the objects near the cursor.

Duplicate (Delete).  (Shift+D), Randomly duplicates the objects near the cursor. Duplicates are placed directly over the original so you may not see immediately the effect. Switching temporarily to the Select Tool via the Space will update the Status Bar with the new number of selected objects (newly created objects are automatically added to the selection or Group). With the Shift held down, randomly deletes objects.

Blur.  (Shift+B), Blurs objects near cursor. With the Shift held down, reduces blurring.