There are lots of new things in the parks.
At Magic Kingdom, Pirates has been refurbished to add a few new scenes and animatronics of Jack Sparrow from the films. There's also a number of new shows like Dream Along With Mickey, the new show at the Castle Stage, and smaller shows throughout the park like Captain Jack's Pirate Tutorial, High School Musical Pep Rally, Let's Have A Ball, Woody's Cowboy Camp, and the Main Street Family Fun Day Parade. Tomorrowland has a few new attractions too. Stitch's Great Escape opened last year, and next year Laugh Floor Comedy Club, a show with characters from Monsters Inc. is set to open. And for the little ones, there's a new 100 Acre Woods Playground across from the Many Adbentures of Winnie the Pooh that opened last year.
At EPCOT, The Living Seas is now The Seas With Nemo and Friends. There's a brand-new ride featuring characters from Finding Nemo plus Turtle Talk with Crush, an interactive show. At the Land, Soarin' was added last year, a ride that makes you feel like you're hangliding over California. There's also a new more tame version of Mission: SPACE that includes all the car movements except for the spinning.
Disney-MGM Studios is home to a new stunt show that opened last year called Lights Motors Action. A number of stunts featuring cars, motorcycles, jet skis and more are featured.
Over at Animal Kingdom, the big news is Expedition Everest, an exciting roller coaster ride in Asia where you come face to face with the Yetti (aka Abominable Snowman). Nearby, Finding Nemo the Musical just opned at the Theater in the Wild (former home to Tarzan Rocks) and features puppetry, special effects, and new songs based on the film.
Can't think of any new resorts except Saratoga Springs (can't remember when it opened). It's a Disney Vacation Club resort near Downtown Disney.