Scroll quickly in the document window:
Holding down Alt, press the arrow keys on the keyboard to scroll in the document window.

Navigate to hidden areas of a project:
Press N to bring up the Navigator, and pan to view any area of a project.

Align objects with keyboard shortcuts:
You can use the default keyboard shortcuts to align objects: T (top), B (bottom), L (left), R (right), C (vertical center), E (horizontal center), and so on; or you can create custom shortcuts.