Motorola already warned that it is not responsible for any bugs and mishaps that happen to your DROID X after you install any unauthorized Froyo build. It even sent a Cease and Desist notice to those who leaked the first unofficial build. Motorola also played the boogeyman on DROID X owners, who rooted their phones, and installed the hacked Android 2.2 ROM. It warned them that they will not be getting the official OTA Froyo update, when it comes out. So, make of it what you will, and proceed with caution.
Motorola DROID X Specifications | Review