If you are looking for a tutorial to make rooting process easy, then fortunately there is a leaked video showing how to root Droid Incredible.
The guide video also equipped with necessary tool (in a bundle package) for rooting. It is Diego Mejia aka mejdam that has done a good job at attempting to simplify the root process and record it in a video. Yet, mejdam has also made a second video, which show users the downgrade process.
However, Droid rooting process shown by mejdam is known as the best method so far. FYI: Rooting your droid device is so risky. The download links for the root package is located in video description. So check it out!
