The Droid X eFuse? It's been rooted.

Well, that didn't take long.

It's not a full hack, you can't replace the rom images, but it's a beginning and you can now remove bloatware that you might not have been able to touch before.

http://www.wired.com/gadgetlab/2010/07/motorola-droid-x-gets-rooted/

http://mobile.slashdot.org/story/10/07/23/2013251/Droid-X-Gets-Rooted