The Efteling released some info;
* If needed you can stay dry, so the attraction can be used the whole year. The Efteling will stay open every single day of the year, now It's closed in the winter.
* You are gonna: walk, fly, ride a coaster, SPLASH!
* You are part of the darkride, no scenes, you take part in a story
* There will be some spectaculair special-effects!
* You can watch the pre-show as 'not rider'
* The que is also the preshow, with special effects!
* On the boats there will be a little lion, it's looking into the boat. It's rumored that there will hapen something with is eyes
I think it sounds very good! I'll update when I get more info
EDIT: 2 reeeeaaal bad pictures of the presentation: