The new Royal Princess will be joining their fleet in June 2013.
It will carry 3600 passengers and has some very cool features, such as the SeaWalk and SeaView Bar that have glass floors and stick out over the ocean, a large adults-only pool with private cabanas, and an evening water and light show. See http://www.princess.com/learn/ships/rp/index.html for lots more!
A few of other exciting new innovations and signature features not mentioned in the previous answer that you may be interested in:
- An even larger and expanded atrium with additional entertainment and casual dining options.
- An enhanced Movies Under the Stars® screen - our largest yet!
- Balconies on all outside staterooms.