Hi April!
For me when I made my first trip back in years, I couldn't believe the many changes that had taken place since my last visit. Now that I go yearly, I still can't believe some of the changes...
I have a list of my favorite rides but I would also look into the shows at each park as well. Here is my favorite ride/ to do list.
Magic Kingdom...
Make sure to take in the New Fantasyland attractions, Buzz Lightyear's Space Ranger Spin, Tomorrowland Speedway, Haunted Mansion, It's a Small World, and Pirates of the Caribbean, Space, Big Thunder and Splash Mountains, PhilharMagic, and Wishes
Epcot...
Soarin', The Seas with Nemo and Friends, Test Track, Spaceship Earth, Journey into Imagination with Figment, World Showcase and Illuminations: Reflections of Earth
Hollywood Studios...
Muppet Vision 3D movie, Toy Story Mania!, Star Tours; Lights, Motors, Action! Extreme Stunt Show, Rock-n-Roller Coaster, Twilight Zone Tower of Terror, Indiana Jones Stunt Spectacular, and Fantasmic!
Animal Kingdom...
Kilimanjaro Safari, Festival of the Lion King, Kali River Rapids, Finding Nemo - The Musical, Maharajah Jungle Trek, Pangani Forest Exploration Trail, The Boneyard, Triceratops Spin, and Everest!
The most important thing to remember is to have fun, plan ahead, and know where all of the rides are prior to arrival! I hope you have a Magical Time! If you have any other questions we are here to help!