Originally Posted by Cat Herder:
I prefer diapers as they don't leak like pull-ups, are cost efficient vs pull-ups and are easier to use. I don't have time to completely disrobe the child to put another one on after an accident. 
I feel the same way. I don't like using Pull Ups until the child is in the home stretch of potty training - when they're just about fully trained but the risk of an accident is still there.