We were on Regal Plrincess a few weeks ago for a seven-day in a higher level suite. We sailed Celebrity Millenium last August in a higher level suite, an SH as I remember. I think we prefer the Celebrity experience by far. For meals, there was only a separate section in the main dining room, not a separate restaurant like Luminae. The Concierge lounge was small and in a very difficult location. There was no Retreat or similar on Princess. The suite itself was nice with comparable bedding and amenities. No butler or shared butler. There was virtually no recognition of suite guests throughout the ship. I was not impressed with the Princess buffet. Celebrity did a much better job on the buffet. We are not suite "snobs" by any means, I'm comparing the two experiences. Celebrity won that round. I will say the the Medallion on Princess is pretty nifty. One cute thing, it was our anniversary weekm which I put in my profile. Every time we walked by a shipboard display, it sensed who we were and displayed "Happy Anniversay" and our names. Very nice touch.