I used a TA for awhile simply to book the room and monitor for room discounts, and she was fine, and a Disney specific TA; however, I figured out about a year ago that no one is going to monitor the room situation and discount situation as fast and as good as me. I have the time, and she did miss out on a few rooms/discounts in the past (I'm sure they are so busy when discounts come out that they have their hands too full), so now I do it again.