Then you have the 30.04 bootloader.
This thread is your friend at the moment.
http://www.droidforums.net/forum/droid-x-rooted-help/100038-complete-droid-x-sbf-flashing-guide.html
I will bookmark this in case I need to do it. Thank you very much. I feel much more at ease with a rooted phone now that I know I can flash it back to stock form if needed. It is very unlikely I'll ever have to, but nice to know its possible.