I was there recently visiting friends. It's a nice place, especially favoured by expats. Our Swiss (non-gay, but gay friendly) community is very active there. The infrastructure is also quite good and you can get to BKK quickly by train (is the planned "high-speed train" already running?). But as far as the gay scene is concerned, it's pretty much a NO-GO. One single bar, that's it. Grindr was quite busy though.