Good article, just wanted to add that we use the Ola Hallagren script suite for maintaining statistics at a lot of our larger client sites. Basically, updating stats was taking far too long in our maintenance cycle and we were looking for ways to make less it time consuming. This script suite is also great for Index maintenance and has saved us a lot of time there, but that's beside the point. It handles updating Statistics with the following options:
You can choose to update all statistics, statistics on indexes only, or statistics on columns only. You can also choose to update the statistics only if any rows have been modified since the most recent statistics update.