My careless post earlier implies a lack of respect for Buck. It should not. Simply, of the two choices, the very feminine transwoman on the right is far more sexually attractive to me. I am familiar with Buck Angel and have a great deal of respect for him. As someone who works out a lot, I admire his physique--he looks good. And we should also not forget that he is part of our "community."
Usually, I try to avoid these sorts of questions as they imply "one is less than the other" but sometimes you fall into the trap.
Now as far as comparing anyone to Kelly Shore...