Im thinking about going to Thailand. Any good free sites to help a toursit find the various red light areas and  good hotels and other FYI's?

There are many. I would suggest these. You may have to join, but there is no charge.

The Yellow Board - http://www.pattayalovers.com/
Freelancer Bar - http://www.freelancerbar.com/
Bangkok Tonight - http://www.bangkoktonight.com/