Booked so far:
1 night in Bangkok Marriott sukhumvit (free night cert), 1 night in le meridien Chiang rai 3k spg (river room), 2 nights in le meridien Chiang mail 5k spg + 55/night (upgraded king room), 1 night in renaissance Marriott phuket (35k Marriott points), 2 nights in koh samui upgraded king terrace (32k spg)