based on cash
BKK: Marriott and Marquis
Hua-Hin: Marriott
Ho Chi Minh: Renaissance Riverside
KL: JW
Seoul: Courtyard
I have been to either Jkt, Sub and Bali. They are all great, have lounge but not with Bali. However it is much better for you to pay by cash instead of using the redemption certificate.