Excellent article on real sword-fighting vs. movie sword-fighting, with tips for science-fiction fans interested in creating more realistic lightsaber fight scenes. Some of the topics he covers includes:

1. Act Like You Are in a Fight
2. Don't Forget Physics
3. Moves that Look Cool are usually the Stupidest
4. Feint, Dodge, and Pause
5. Don't Stop When You Get in Close
6. Move Your Feet!

(Via Michael Williams.)