We sailed on Jewel of the Seas just this past week. We are Diamond RCCL members, (have sailed on 15+ cruises with RCCL) and DCL Platinum as well.
Usually we love RCCL--we do usually go on the big boats. Oasis and Allure, but have sailed on the sister ship of the Jewel to Europe.
Embarkation was no problem--sailed through quite quickly--although it was confusing with 2 ships from 2 different cruise lines being dropped off at the same area.