Surprised this hasn't shown up yet, but a few other sites are reporting about surveys where people are asked if they would stay in moderately priced rooms based on specific characters or attractions. The three examples were princesses, Pirates (which is already at Caribbean Beach) and Haunted Mansion. The CG renderings make these interesting to look at.
The Haunted Mansion one sounds cool, but is a little too cartoony, though I LOVE the Doombuggy bed and the sliding bookcase to hide the bathroom; I'm sure to not scare kids too much. I LOVE the princess rooms though. Cogsworth, Rose, Aladdin's lamp, the bench is the dog from Beauty and the Beast, and there's a mousehole with Gus and Jacques in the wall as well.
The other question is where will they add these....though I hope they won't retrofit any additional exiting rooms but keep these in mind for future developments. Don't ruin the themes of the resorts by adding synergy please.
Here's a link. It only has one picture of the princess room though. Others can be found searching online.