We have a Vera Bradley, too. I absolutely love it because it has so many pockets and is so bright and colorful! Also, I like the fact that it can be tossed in the washing machine, if needed. However, the bag we take to Disney is the small squarish black one that was a "gift" from the hospital when we had dd2. You all probably have the same one!
It is great for Disney because it is basic black (no dirt shows), can be easily scrubbed down, is pretty compact, fits on the handles of our stroller (a Joovy) and has an outside pocket to keep sunscreen, sunglasses, camera easily accessible as well as two drink pockets (one on each end)...and if it every should get ruined, well..it was free!
It is great for Disney because it is basic black (no dirt shows), can be easily scrubbed down, is pretty compact, fits on the handles of our stroller (a Joovy) and has an outside pocket to keep sunscreen, sunglasses, camera easily accessible as well as two drink pockets (one on each end)...and if it every should get ruined, well..it was free!