I just saw this on Digg and it is awesome-a handy flow chart style guide to the Star Trek films.
*Click image to make it bigger.
Having re-watched Insurrection at the weekend, I definitely agree that this chart works!
Props to www.lukemckinney.org for this 🙂
Cloudy with a chance of Licensing 
Having watched Undiscovered Country AND Generations back to back yesterday (in a lazy Sunday morning vegging out mode) – I can vouch for the accuracy of this….
Most Excellent!