We have only had dinner many years ago, but we are brft people , so I would probably do brft. As others mentioned it is cheaper if doing OOP, and wide range of hours is great, as you can do 7:30 brft and be in MK for RD if you are early birds, or can do Epcot or MK for a few hrs. and hop the monorail to do late brft/brunch at 11:30/12:00, and take a break, or hop to other park, or back to resort for swim/nap before evening activities. It is cool to ride right into your restaurant!