Of the nighttime entertainment only F! and WoC have FPs. F! FPs are distributed on Big Thunder Trail, close to the ranch. WoC's FPs are distributed at Grizzly Rapids. There is a WoC at 3:00 am, but I don't know if that one will have a FP (I can't remember from last year). Both F! showings should use the FP system. I would guess FPs are likely to run out mid to late morning for F! (depending on crowds). I don't have as good a sense about WoC, but I would guess mid-morning or earlier (especially if they only distribute FPs for the first show) because a new show is debuting.
Last year we had fast passes for Space Mountain for 3:30AM. Took a picture of them for fun. I think we got them around 10PM or so??
The crowds are there, but in the end, the lines moved very fast to get into the parks. I was in line about halfway between the monorail beam and the center of the Esplanade and it only took 8 minutes for us to get into the parks. Things may be different this year, but I was able to get into DL (do some shopping) and then hop over to DCA to get the Times Guide and then get back into DL in under an hour.
If you mean "closures" as in when the rides closed, there were some rides that had alternate schedules on the 24-hour day. For example, last year, Space Mountain was open from 6:00 am to 3:00 am and RSR operated from 8:00 am until 4:00 am. My guess is that some rides will have reduced operating hours again this year, but we might not know which ones (and their schedule) until the day of the event. If you are going, it's worth getting the Times Guide for both parks as early as possible so you can see what is happening in both parks and which things only happen on a limited schedule.
Oh I meant gate closures. I know the first year there were gate closures at DL. I wasn't sure about the last few years, but I heard the park got busier at night. We'll be leaving after the parade and fireworks, so around 10pm. It's a bit late for our kids, but it's the only way to see the night shows.
My plan is to hop over to DCA as soon as the fireworks are over. Another plan is to wait until the later showing of the night parade (1 am) and hop over to DCA while that is going on or right before it starts (assuming that a substantial number of people are going to be in Disneyland instead of DCA to catch the new parade).I was wondering about all of this too. I am not too concerned over ride times as we will have ridden all rides we want during the three days before. Though it would be cool to ride BTMRR, RSR, or Screamin' at say 4a.m.!!!
My concern will be the shows. I do want to see DLs fireworks and because of the risk of entry closure plan to be in DL by 2pm. Then I was planning on hopping to DCA around midnight to see WOC at 3am. But I think lots of other people might plan a similar strategy and now am worrying about DCA reaching capacity. Oh well, it'll be what it'll be :-(