The Oasis is really rather amazing in that, while incredibly large, they have segmented it such that it still feels manageable. We were a little concerned at sheer size but once we became acquainted with the layout it was quite enjoyable.
Boarding was easy with plenty of staff on hand and good facilities as many have noted.
We were in a Jr Suite which was a great room. Huge closet (bordering on too big) nice bath with tub shower and a good sized veranda. Long corridors if you are in middle between elevator banks.
Excellent cabin. As always one more outlet would be nice as would something to hold the bath door open if you want. Highly recommend this cabin type - roomy with tons of storage.
Nice flat screen television but very limited channel selections. I know you are not supposed to spend that much time in your room but the choices were pretty much awful.