I did what another poster mentioned and that was to start tracking ahead. By that I mean go in now and see what's available 7 months out. And since you're not planning your vacation until 2014 you'll be able to see just how difficult it might be to get the accommodations you want. Again, as someone alluded to, there is no predicting the future. You might look ahead 7 months from today and see rooms available, but try that next year for 2014 and there's nothing.
But just to give you our experience - We were planning 2 weeks in California this past Sept with a somewhat flexible schedule. We finally decided on the stretch of 5 days we wanted at GVC and I went online at 8:00 at the 7 month mark back in February and got the 5 days. I don't remember the exact timing, but a couple days later we needed to revise a reservation for earlier accommodations in San Diego before we drove up to Disney, and when I went back to drop the first day at GVC and add one at the end, there was nothing available. But I did wait list the day I wanted to tack on the end and I got it about a week or so later. But as many people have mentioned on these Boards, your experience today is not a predictor for the future. Good luck with your planning, and I hope you get exactly what you want!