Here is something that you don't hear every day: a carrier released a rooted ROM as an upgrade. That's right - regional carrier Cincinnati Bell pushed an update to its Motorola Milestone XT720 users today, and the update instructions include rooting the device and using Titanium Backup to restore apps. I know, it's hard to believe, so here's a snippet from the official upgrade PDF:
Yeah, believe that. This is indeed an unprecedented move coming from a carrier - after all, most carriers (and manufacturers) fight the rooting community tooth and nail.