To answer my own question:
GQ Men
253/4 Soi Suan Phlu 6
Phone: (0) 2677 - 5915
Website:
http://www.gqmanmassage.com
Email:
info@gqmanmassage.com
New (April 2005) upmarket massage place in very nicely converted house, large nicely decorated rooms with large massaqe beds and huge showers, many types of massage, good selection of masseurs. Open daily from midday to midnight.