We chose because, although this would be my first cruise. the other three people had previous good experiences with Princess. However, all four of us will NEVER sail with Princess again.
From booking on there were problems. We were misled on the use of on board credits; our free premium drink package was not honored until we proved it was legit; food was lukewarm on the buffets while the plates were scalding hot.
One real danger to passengers: Princess is very misinformed about passport use. They claimed passports did not need to be carried with you off the ship, and were totally ignorant of when a passport needs to be stamped at entry. Almost got us arrested following their advice. Luckily, quite by accident, we met a Spanish immigration official in Barcelona who gave us the real information.
Cabin was nicely laid out. Decent amount of space.