This is the list I saw:
(starting on your 10th cruise)
1. VIP Check In (used to be called the Skippers Club.)
2. Priority tendering (just show them your platinum card...no need for tender tickets.
3. Free wash and fold Laundry service.
4. Personalized stationery
5. Canapes and Petit fours on formal nights.
6. Free $20 entry fee into the slots or blackjack tournament.
7. Priority debarkation (complete with a room to wait in with coffee and Danish.)
8. Free Tote Bag
SS Norway (12 times) '85 - '97; Radiance OS 06/01; Island Princess 11/04, Grand Princess 11/04/05, Golden Princess 7/21/06, Golden Princess 2/24/07, Explorer of the Seas 12/23/07, Island Princess 11/15/08