The completely booked hotel situation has nothing to do with Jersey Week. We are going that week (not from Jersey) from 11/6-11/11 but honestly we could have gone any time from 10/1-12/31. And there was ZERO weeks within that 3 month time period that hotel availability was any better. This was a common question asked on the resort thread. People came up with many factors... lots of rooms out of commission due to hotel construction, faulty website, fall in general being busier than it used to, etc.
We checked every single week M-F for 3 months and all availability was horrible. Including the week after jersey week, which crowds are supposedly a lot lighter.