We started taking our kids (we now have two) when they were eight months old. Of course they will not remember their time there from that age, but the look at their faces when they see a character or on a ride (my kids love It's a Small World) more than makes it worth it for us. You just have to...
Been to the Garden Grill for breakfast twice in the last year. If you have kids it is great. It is a smaller restaurant and we had the characters visit our table two and three times during our meal. As for the food, it is standard stuff, but it is served hot and fresh.
Had a king family suite for my last trip in October. Our room was in the middle of the Dolphin "triangle" tower directly facing the Swan. Great views of the DHS nightly shows. Only downer is no balcony.
The first trip I remember, was in 1978 at 5 years old. I fondly remember the tickets for the rides and the family fights about which rides we were going to use the tickets on. It was so clean back then, like ridiculously clean. The ride in from the TTC on the monorail was one of my favorite...
We always like to finish our trips with a non-park day of pool or Disney Springs and dinner at Jiko or Blue Zoo (both underrated or overlooked in our opinion).