Thanks for all your response.
Looks like Sofitel is the preferred location and as expected. Hilton might be harder to get to Thermae/soi cowboy.
Mrfreeze got it right, i am a htn member and have many unused points. it would be cheaper if were to stay at Hilton.
Sofitel seems to have a small entrance and have many bellboys around. Will they border you if i were to walk with a girl in ? It seems to be a GF hotel.