This update will weigh in at 28MB in total, so you might want to connect over to a decent Wi-Fi connection to get it done right without consuming too much of your data plan. For those who are worried about backtracking your rooted XOOM device, fret not at the moment. We suspect that once the update is released later today, you can more or less expect one of the more enterprising hackers out there to grab the file while figuring out a way to flash it.
As for the rest who have just unlocked your device, you ought to be able to receive the update without having to jump through any fiery hoops or what not. To put it plainly, you are able to take advantage of the update as it is without any problems.