i actually browse /mlp/ every day. yup. i can say quite a few things about it. you're gonna see a lot of the same general threads, and a few of them are undesirable to say the least. just... fetishes. in terms of actual porn, you don't see much or if you see any, it'll be gone within the hour most likely. recently, the users have been screwing with the mods a lot though so right now, it's not consistent. a good thing about it is the writers. some people on /mlp/ are really quite good. yesterday, i read a greentext story of an anon who went through the first two episodes of mlp and tried to make things happen as accurately as possible to the show, as just his presence was messing things up. overall, i would say give it a try. there's a lot of good to see there if you're willing to go past the not so good stuff.