I have created a 30-minute video which shows what PDE2D can do and how it is used:

http://www.math.utep.edu/Faculty/sewell/pde2d/pde2d.htm

This could benefit from a more professional narrator, but still is no doubt the quickest and easiest introduction to PDE2D, it works through two examples from beginning to end, one using the GUI interface and one using the Interactive Driver interface.