PICS!
Be sure to pay attention to the brakes for a while - the pads will continue to bed in to the rotors and they'll get progressively better. This can be problematic when the user isn't quite used to discs, though. I had a moment, a couple weeks in to riding discs, when they were finally breaking in and, in my inexperience, I grabbed too much lever with my weight a little too far forward - damn near went over the bars.