Gina was very responsive to my questions about the city and helped me to resolve the wifi issue in the room.
The amenities provided are as described and the location is convenient though not right in the heart of Waikiki. It's close to a few cafes and the convention centre. Everything is within walking distance.
The noise from the street, especially the ambulance through the night, came through the airconditioner and it has probably more to do with the design of the AC than the sealing around it. The AC fan is probably too loud to sleep through the night with, but this should not be a huge issue if you turn up the AC for more than an hour before you go to bed at night.
I wish the check-in time is a bit earlier than 4pm, but the paid luggage storage ($5 per luggage) is acceptable to me.