....and there is this thread:
You can root a Droid X but no ROMs available yet. Rooting will not brick the phone. Before root methods were discovered; it would just go back to stock android OS - not brick.
http://www.androidcentral.com/droid-x-root-achieved
http://www.androidcentral.com/droid-x-root-easy
Too many rumors (myths) about android phones.....