I will still say that if I am going after regular thai girls , yes office girls etc , I would not be staying at a Hotel where there are a lot of guys bringing back BGs .
Sure you can get away with Landmark, Marriot or other 4-5 star Hotels , but since with regular girls you are trying to make the impression that you are in Bangkok to "work" or see the temples you want to stay in a hotel away from Nana - Soi Cowboy type places ,
OK......and I stay on Soi 4 and have decided that regular Thai girls are not worth the time if I am only a tourist.
Sure we do not all think the same , that is the point of this forum is to get other ideas.
and maybe HiSo is too much for T-21 , but I know my Uni girls love the place and so do their friends from school ......but then they also love any mall

especially if I am paying