If you are talking about the 1pm EST announcment...it was nothing big. It was exactly that site with the new images of the stars as characters and things that just link back to the original. New twist though I liked it.
Yes, they made the dreams come true of some millionaire celebrities by letting them wear Disney costumes in a photo shoot.
Honestly, I don't know what the big announcement was for...but feel they probably paid more to the celebrities than what most of the YOAMD prizes cost.
There was a newscast last week where Disney is expanding MGM to have Buzzzlightyear mania or something like that. THey say if you love MK buzzlightyear you will Flip over the new addition. plus other future things to come to WDW