I have been trying to reschedule Sci-Fi for weeks and haven’t been able to. The food isn’t great, but decent, however the atmosphere is really good. It was my son’s only request this trip. EMM are a mixed blessing. If you get to the park early (1 hour) you should be able to do FOP and Navi easily. A lot of people say the park is a lot busier on the EMM days though, I haven’t really found that to be the case but Kenny the Pirate will always recommend against it. I don’t know who is in your group, or if it is your only AK day. If it is your only day at AK, then I might pick that just to be able to take my time on the animal trails and see the shows (they are all good at AK though I have heard the new bird show isn’t great anymore).
Either way, I am sure you will have a great trip. Just pick one and don’t worry about what might have been!