It's ok. The rooms are strange...big and with a spa-type shower at one end and sofa. But maybe they are not all like that. Boys were on the slim and effeminate side...but that was a while back. massgae was ok.
Also on that side of the river, you may wish to try:
Emmanuelle เอมมานูเอล อาบ อบ นวด
and Smart Bank on Ratchada(Tonburi) soi 12.