I have only done women and the only thing I have found that tops cumming in a woman's butt is shoving every last inch of my dick down one's throat as I cum. There is nothing more exciting than a slut who loves to be used to the fullest.
Without doubt,although I've done both,women are much,much better to sodomise.They are much more receptive and really enjoy it and to cum up their arseholes bareback drives them delirious