If you are an Annual Pass Holder or have a Florida Residents Pass and are visiting in November then you need to keep an eye on the Passholders webs site.
Disney have announed a Passholder Preview to the New Fanasyland!
The official amnnouncement says:
Be among the first to experience the enchantment of New Fantasyland during a special Passholder Preview in November 2012! Upon completion, Fantasyland will nearly double in size – for the largest expansion in the history of Magic Kingdom Park.
Registration details are coming soon and will be communicated via email and here on the Passholder website. Event capacity is limited, so be sure to watch for these updates! Valid Magic Kingdom Theme Park admission is required to attend this event.
Oh how I wish I was going in November