You can try Tripadvisor or Lonely Planet Thorntree forums.
Looks a bit posh, try the Blue Chang House for price...
Any sites for advice help?
Haha, no joke definitely legit. Thailand is very geared up for solo travellers out of every place I've visited Thailand, Vietnam, Cambodia all good for single travellers and where you are most likely to meet other like minded people on solo trips. Go for it.