Oasis of the Seas is a fabulous ship. It was beautiful and clean. The crew were pleasant and helpful. My over all review is very positive.
Another reviewer suggested bringing a power strip and I'm happy we did as this made charging things and using the hair dryer much easier.
My biggest tip for anyone taking this cruise is take the time to sign up for all the shows, shore excursions, and specialty restaurants online before you get on the ship. You don't want to spend your precious vacation time waiting in lines to get to do these things only to find that the show you want to see is already booked.