I´d definitly prefer the hot transsexual one. I prefer "beauty". I cannot control what turns me on and I´m sure noone should. There are beautiful and ugly girls - and not every transsexual is a beauty.
I think transsexual ladies invest more in their beauty, often they are more ladylike. And of corse the fake titties are really hot, most of them are bolt-ons, which I prefer. Because of this the discussion, if it´s gay to like transsexuals is silly. For me they are a special kind of girls, in which I´m only interested if they´re hot.
If I had to decide between a hot "real" and a trans, I would take the real one.
I always hope that shemales will be scouted by the big porn studios like Brazzers. 99,9 % of people watch porn, this would be a big step to acceptance.