The EPIC was great. It was the second time on the EPIC this year and I would have to say it was better the second time around! I will try and go through it in order for you.
Embark - Pretty easy. Make sure you go to the correct terminal, because the SMS staff will make you go anyway. This was annoying, however it didn't matter. The line at security went quick, however, I noticed that security is getting more tight, which again, is annoying. The last thing I want to see is TSA at cruise terminals. The chick in was easy and smooth. Took about 5 minutes, no wait.
Day 1 - I went directly to Osheehans and had food in front of me within 10 minutes. A nice tasty burger. I watched people shuffle around and try and find their way around the beautiful, christmas decorated, EPIC.
I liked the cabin. It was narrow, but workable. The balcony is huge! The bathroom situation on the EPIC isnt great, but its fine. Don't let it spoil your trip.