Well here's the thread I have been waiting for.. watch out because I have a lot of ideas to unload!
1. Headphones/VMKPod- This would be a feature addition, kind of like the quests. Instead of listening to the background music of the normal guest or public room, you could set up a playlist of your favorite Disney songs from movies or from VMK, like Aerosmith (Rock'n Roller Coaster) or the background music from TOT. Maybe there would be some quests to unlock songs for your playlist!
2. Build your own VMK Shop- Right inside your own guest room, you could build your own shop to sell some items in. Instead of doing the waste of time trading through the Quest Kiosk, people could come right into your room and buy stuff. The credits will be transfered between accounts, and the items go through as well. This solves the scamming folks who never do go back and give the credits.
3. Renovate Autopia/Unlockable Cars/Fix the Green Car Quest- This is a big one. Possibly allow five racers on the track at the time with wacky power-ups like Kraken Slime and other ideas from movies, all seen in first person. Instead of earning credits for racing, you would earn Car Points which you could keep track of at Autopia Quest Track. When you earn enough, you will be able to unlock magic pins that allow you to use cars other than the racing and offroad, such as Cinderella's Pumpkin, Jack Sparrow Sail Racer and so on. The original quests would stay, but the Green Car would definitely need to be fixed to made easier.
These aren't really items, but cool features that might make our stay in VMK a little more pleasureable.