for every mentally stable katja kassin in porn there's 10 tiffany holidays, and without the sex industry i doubt you'd find a pre-op tranny anywhere. talent from "developing" countries is rife, even if "the man" is making it more difficult to shoot hookers in thailand.
however, i was watching the news the other day and caught a glimpse of the next wave of exploitable talent: refugees. surely after a lifetime of civil war in sudan a motel bedroom in chatsworth is a clear step up? in fact, don't even wait til they arrive in la, shoot it on a united nations hospital bed. that shit would sell.