I agree with Justin T: Some smaller sites, like Saphrina, (maybe NoStrngsAffairs - even though I have not tried them yet) may be much better than AM. Controversial sites like AM polarize, especially with their provocative spots.
After all, AM is one of the best sites still. Be aware that it may be more expensive. On the other hand they offer a large member base but with a bad male-female-ratio).
Some AFF sites may work as well, but you will also find many fake profiles on there.
My opinion: I was most "happy" on Saphrina, but I did not feel uncomfortable on AM. AFF worked as well, but thta was a while ago.