Disneyworld in a day. I'm not sure I have the energy for a one day only Disney trip now that we have a toddler but this sounds like good advice to save for later. Although some of the rides are different this could easily be adapted to Disneyland as well.
15 things you MUST DO with your kids at Disneyland! This list is full of great ideas for traditions that will make memories for a life time! Number 2 is BRILLIANT! Saving this list to do it with our preschoolers when we go to Disney!