Upgrade: From City View Room to Harbour View Room 17th Floor (2 room categories up)
Early Check-in: Arrived at 12PM, room was ready, luggage brought up prior to finishing check-in
Late Checkout: Offered, not used/needed
Amenity: $100 credit to Spa (used at Salon for wife)
Breakfast: Complimentary at 2/5 breakfast rooms for 2 guests per room
WiFi: Complimentary (also complimentary from hotel directly, non-issue)

Concierge who took us to room thoroughly explained benefits and gave arrival letter from Amex explaining benefits as well