I know this has been talked about, but I don't recall any confirmed reports of exactly what would be done. I just watched a video on the WDW website regarding the lighting of the castle for Christmas time. The entire castle will be draped in Icicle lights. During the day, these strings of lights will turn the color of the part of the castle it is covering (Blue roof, etc.) so as not to be seen. This looks like it will be pretty cool. To check it out you will need to log in & go to the section called My Vacation. There you will find the link at the bottom of the screen called Disney's Backstage Pass HELLO! That is the video update.